Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
154263 (2002 RM39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154263
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597838761705081 5.1436e-08  
a 3.979604260582627 3.7947e-08 au
q 2.945767240143803 2.0608e-07 au
i 1.438773639296616 5.8853e-06 deg
node 59.38583935276067 0.00021703 deg
peri 290.4466346839514 0.00021732 deg
M 75.46907934640497 1.0552e-05 deg
tp 2458392.610266352876
(2018-Oct-01.11026635)
8.1113e-05 TDB
period 2899.734646403756
7.94
4.1475e-05
1.136e-07
d
yr
n .1241492908485509 1.7757e-09 deg/d
Q 5.013441281021451 4.7805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:55  

Additional Information
 Earth MOID = 1.94023 au 
 Jupiter MOID = .423858 au 
 T_jup = 2.996 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO454001  
diameter diameter 5.032 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.076   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

154263 (2002 RM39)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Jun-17 07:36 00:02 Jupiter 1.95047773268135 1.95047714124775 1.95047832411495 5.03822397855394 4.95127989492923 2420300.816422808 1.86717267170259 68.0421612605838 27.5751407839287 -89.7836775651735 3372292.07632024 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
1938-May-06 01:50 00:02 Jupiter 1.94688105066319 1.94688040746844 1.94688169385793 5.14089481214339 5.0555579992756 2429024.576184797 2.16963524436741 73.5794119169101 29.4385489417093 86.3513131354597 2977891.28751289 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
1962-Jul-28 12:14 00:02 Jupiter 1.96852373817482 1.96852310944218 1.96852436690746 5.4835871159031 5.4045500680506 2437874.009537412 1.91922320706505 75.9365108260679 29.6152001961187 -89.0901247661513 3287297.59319073 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
1986-Nov-27 21:32 00:01 Jupiter 1.96547428663034 1.96547366216129 1.96547491109939 5.58230384702565 5.50456309296489 2446762.397255441 1.20872487028713 62.4069999749769 28.8257320267594 -83.3569322152917 3454041.56601325 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
2011-Feb-22 06:22 < 00:01 Jupiter 1.92468583269937 1.92468523422802 1.92468643117072 5.3498970671409 5.26699454996448 2455614.765238260 0.266051967532211 44.7297531123114 28.0537896569783 -87.1381905194974 3452082.93710833 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
2035-Jan-16 15:52 < 00:01 Jupiter 1.92753062048756 1.92752993272715 1.92753130824796 5.27788816838583 5.19396144497788 2464344.161230770 0.953093009984565 55.743105906062 29.6172827844743 -74.6364262011424 3088994.0429 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
2151-Jan-25 02:44 00:02 Jupiter 1.98156353812251 1.98156296984393 1.98156410640109 4.97035491557626 4.88359752393195 2506720.613914574 1.69589523931108 57.9163173737197 25.0005631330682 81.7162224677968 3338553.47533962 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
2174-Sep-29 21:48 00:02 Jupiter 1.9436646619403 1.94366404678351 1.94366527709708 4.81445059313081 4.72306699369294 2515369.408124201 1.67323050921644 57.3683904281347 26.3434758478281 79.9542251086501 2878316.57096269 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
2198-Nov-01 00:53 00:01 Jupiter 1.95407676100798 1.95407612780233 1.95407739421374 5.09621833461884 5.01044037122907 2524167.537117552 1.41974568917901 56.9472519213223 27.3467439366221 78.4317332740119 3000478.03538305 T 14 CATAB v2.0f-lin.ifort 2020-Jan-29 20:03:12 2020-Jan-29 20:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-26 18:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin