Lagniappe Observing

Jun 4, 2020

163348 (2002 NN4) Information Sheet

The asteroid 163348 (2002 NN4) has been in the news recently. It passed "under" Earth's orbit on 2020-06-03 and Earth will pass over its orbit on 2020-06-05 and the close approach will be 2020-Jun-06 03:20 (UTC).

163348 (2002 NN4)
Earth Distance: 0.034 au
Sun Distance: 1.036 au
2020-06-06 03:20 UTC
https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=163348;old=0;orb=1;cov=0;log=0;cad=1#orb

Background

(as of 2020-06-04)

Object: 163348 (2002 NN4)

Orbit Type: Aten [NEO, PHA]
Approximate Diameter: 250 m - 570 m (820.21 feet to 1870.08) (Absolute Magnitude: H= 20.1)[ Neowise estimates 2002NN4 to be 700 meters in diameter.]

O n the Sentry Risk Table: NO In fact is has never been listed on Sentry for more information read Understanding Risk Pages by Jon Giorgini

On the NEODyS CLOMON2 risk page: NO

Listed on The Near-Earth Object Human Space Flight Accessible Targets Study (NHATS): NO

Listed on Goldstone Asteroid Radar Schedule:Yes

First(Precovery) Observation was made: 2002 07 02.44600(By Palomar Mountain/NEAT, (MPC Code 644)

Discovery observation was made:2002 07 09.32451 (By Lincoln Laboratory ETS, New Mexico. (MPC Code 704)

Last Observation(publish): 2016 08 28.84488 (By Castelmartini) (MPC Code 160)

Data-Arc Span (publish): 5171 days

Number of Optical Observations(published): 364

Number of Observatories Reporting (Published) Observations : 47

Observatories Reporting (Published) Observations(MPC Code):

(046) Kleť Observatory, Ceske Budejovice, Czech

(104) San Marcello Pistoiese, Italy.

(106) Črni Vrh, Slovenia.

(113) Drebach, Germany.

(130) Lumezzane, Italy.

(151) Eschenberg Observatory, Winterthur, Switzerland.

(160) Castelmartini, Italy.

(176) Observatori Astronomic de Consell, Spain.

(198) Wildberg, Germany.

(203) GiaGa Observatory, Italy.

(204) Schiaparelli Observatory, Italy.

(240) Herrenberg Sternwarte, Germany.

(246) Klet Observatory-KLENOT, Czech Republic.

(291) LPL/Spacewatch II, US/Arizona.

(355) Hadano, Japan.

(422) Loomberah, Australia/NSW.

(448) Desert Moon, US/New Mexico.

(473) Remanzacco, Italy.

(557) Ondřejov, Czech Republic.

(560) Madonna di Dossobuono, Italy.

(568) Mauna Kea, US/Hawaii.

(587) Sormano, Italy.

(595) Farra d'Isonzo, Italy.

(611) Starkenburg (N49.647790 E8.653100) Germany.

(620) Observatorio Astronomico de Mallorca, Spain.

(644) Palomar Mountain (NEAT),US/California.

(649) Powell Observatory, Louisburg, US/Kansas.

(671) Stony Ridge

(673) Table Mountain Observatory, Wrightwood, US/California.

(703) Catalina Sky Survey, US/Arizona.

(704) Lincoln Observatory ETS, New Mexico, US/New Mexico.

(715) Las Cruces,US/New Mexico.

(734) Farpoint Observatory, Eskridge, US/Kansas.

(848) Tenagra Observatory, Cottage Grove, US/Oregon.

(926) Tenagra II, US/Arizona.

(966) Church Stretton, UK.

(A16) Tentlingen, Switzerland.

(A17) Guidestar Observatory, Weinheim, Germany.

(A24) New Millennium Observatory, Italy

(B38) Santa Mama, Italy.

(C51) WISE.

(D29) Purple Mountain Observatory, XuYi Station, China.

(F51) Pan-STARRS 1, Haleakala,US/Hawaii.

(H45) Arkansas Sky Obs., Petit Jean Mountain South. US/Arkansas.

(H55) Astronomical Research Observatory, Charleston, US/Illinois.

(J95) Great Shefford, UK

(Z52) The Studios Observatory, Grantham, UK.

Perihelion Distance: 0.4955781402508977(AU)

Aphelion Distance: 1.257210521695571(AU)

Earth MOID: 0.00693791(AU), 2.7 (LD), 162.727229457(Earth Radii), 644,919.024 (Miles), or 1,037,896.563 (KM)

Close-Approach to Earth: Will safely pass Earth on 2020-Jun-06 03:20 at a Nominal Distance of 0.0340470945348114 (AU), 13.25(LD), 798.56748858316973383 (Earth Radii), 3,164,875.1578(Miles), or 5,093,372.846(KM). "IF" the Earth was the Size of a Basketball the (163348) 2002 NN4 flyby would be 309.92 feet (94.46 meters) away

See:

JPL Small-Body Database Browser 163348 (2002 NN4)

MPC Database (163348) = 2002 NN4

NEODyS-2(163348) 2002NN4

Known-(with reasonably low uncertainty)-NEO-Earth-Close-Approaches-Less-Than-10LD(Nominal_Dist)

Edited for typo

May 30, 2020

Making History: NASA and SpaceX Launch Astronauts to Space!

#LaunchAmerica

Apr 8, 2020

Confirmation Images of COMET C/2020 F5 (MASTER) on 2020-04-05 from Siding Spring Observatory Australia (MPC Q62)

Congratulations to

Y. Kechin, S. Bodrov, V. Lipunov, E. Gorbovskoy, N. Tiurina, P. Balanutsa, A. Kuznetsov, I. Gorbunov, F. Balakin, D. Zimnukhov, V. Kornilov, R. Podesta, F. Podesta, H. Levato, A. Krylov, C. Francile.

with

MASTER-OAFA Observatory, San Juan, Argentina (MPC Code W92)

See:

MPEC 2020-G73 : COMET C/2020 F5 (MASTER)
https://www.minorplanetcenter.net/mpec/K20/K20G73.html

Credits

The targeting information was obtained from the
The Minor Planet Center (MPC)
http://www.minorplanetcenter.net/

The images where taken with iTelescope.net's
T30 (0.50-m f/6.8 reflector + CCD) Siding Spring Observatory Australia (MPC Q62)
http://iTelescope.Net/

Data reduction, a stacked image, Image blinking, and the object verification windows was done with Astrometrica
http://www.astrometrica.at/

Image blinking and a stacked image was done with CCDStack2
http://www.ccdware.com/

The data was examine with the help of
Find_Orb Orbit determination software - Project Pluto
http://www.projectpluto.com/find_orb.htm

(c) Steven M. Tilley
http://lagniappeobserving.com

Apr 2, 2020

The NEO[Apollo] 2017 ES2 on 2020-03-30 from Siding Spring Observatory Australia (MPC Q62).

The NEO[Apollo] 2017 ES2 on 2020-03-30 from Siding Spring Observatory Australia (MPC Q62).

The NEO[Apollo] 2017 ES2 on 2020-03-30 from Siding Spring Observatory Australia (MPC Q62)
By Steven M. Tilley

Credits

The targeting information was obtained from the
The Minor Planet Center (MPC)
http://www.minorplanetcenter.net/

The images where taken with iTelescope.net's
T30 (0.50-m f/6.8 reflector + CCD) Siding Spring Observatory Australia (MPC Q62)
http://iTelescope.Net/

Data reduction, the stacked image, and the object verification windows was done with Astrometrica
http://www.astrometrica.at/

Image blinking was done with CCDStack2
http://www.ccdware.com/

Music
Attack of the Mole Men - Stings by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)

Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100321
Artist: http://incompetech.com/

The data was examine with the help of
Find_Orb Orbit determination software - Project Pluto
http://www.projectpluto.com/find_orb.htm
(c) Steven M. Tilley
http://lagniappeobserving.com

Mar 2, 2020

Tracking 2020 DR2 on 2020-03-02

The risk list object 2020 DR2 from Siding Spring Observatory Australia - MPC Q62 on 2020-03-01 stacks of 4 - 15 -second luminance BIN2 images taken with T17(0.43-m f/6.8 reflector + CCD).

Sentry: Earth Impact Monitoring( archive) http://archive.is/yjIZm

NEODyS CLOMON2 risk page ( archive) http://archive.ph/HVdHX

also see Jon Giorgini's "Understanding Risk Pages" http://www.hohmanntransfer.com/by/giorgjon.htm

The risk list object 2020 DR2 from
Siding Spring Observatory Australia -
MPC Q62 on 2020-03-01 a
stack of 4 - 15 -second luminance BIN2 images
taken with T17(0.43-m f/6.8 reflector + CCD)
By Steven M. Tilley

Feb 17, 2020

ASTEROIDS Size Comparison ��

Dec 10, 2019

NASA-JPL Released Episode 10,Comets: A Love Story, of Season Two of 'On a Mission' Podcast Targets Asteroids

Today [on 2019-12-10] NASA-JPL released Episode 10 "Comets: A Love Story" of Season Two of 'On a Mission' Podcast Targets Asteroids. "Eugene and Carolyn Shoemaker’s love of exploration changed our understanding of the cosmos." This is the 10th of a 10-episode podcast host by Leslie Mullen. New episodes will be released weekly. For more information, see "Season Two of 'On a Mission' Podcast Targets Asteroids"[NASA JPL press release].

This artist's concept shows a broken-up asteroid.

Image: Courtesy NASA/JPL-Caltech

Dec 4, 2019

NASA-JPL Released Episode 9, Hunting in the Dark for Monsters, of Season Two of 'On a Mission' Podcast Targets Asteroids

This week[on 2019-12-03] NASA-JPL released Episode 9 "Hunting in the Dark for Monsters" of Season Two of 'On a Mission' Podcast Targets Asteroids. "Finding black rocks in the darkness of space isn’t easy, but new methods could help spot them all" This is the 9th of a 10-episode podcast host by Leslie Mullen. New episodes will be released weekly. For more information, see "Season Two of 'On a Mission' Podcast Targets Asteroids"[NASA JPL press release].