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 ]  
461474 (2002 RR142)
Classification: Main-belt Asteroid          SPK-ID: 2461474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2815717478277101 1.6037e-07  
a 2.34490628569928 2.8117e-08 au
q 1.68464692434275 3.8951e-07 au
i 4.68093036999209 8.6149e-06 deg
node 322.1126490658442 0.00016219 deg
peri 312.9960223341121 0.00016497 deg
M 273.4155499332153 3.6263e-05 deg
tp 2458915.945303065610
(2020-Mar-07.44530307)
0.00013468 TDB
period 1311.555470018322
3.59
2.359e-05
6.459e-08
d
yr
n .274483243926367 4.9368e-09 deg/d
Q 3.00516564705581 3.6034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      5050 days (13.83 yr)  
   first obs. used      2002-09-11  
   last obs. used      2016-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60862  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 09:03:47  

Additional Information
 Earth MOID = .672182 au 
 Jupiter MOID = 2.14863 au 
 T_jup = 3.503 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO369010  

461474 (2002 RR142)          Discovered 2002-Sep-11 by NEAT at Palomar
Reference: Last Updated: 2016-03-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-19 16:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin