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 ]  
183106 (2002 RB121)
Classification: Main-belt Asteroid          SPK-ID: 2183106
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2470730739170169 6.6628e-08  
a 2.348583016909188 1.4735e-08 au
q 1.768311391572133 1.5255e-07 au
i 4.049031930338256 5.6229e-06 deg
node 255.6888507343311 8.7794e-05 deg
peri 106.4094410513149 8.8878e-05 deg
M 215.7076988883765 2.0163e-05 deg
tp 2459127.423975303373
(2020-Oct-04.92397530)
7.7798e-05 TDB
period 1314.641388679978
3.60
1.2372e-05
3.387e-08
d
yr
n .2738389366863563 2.5771e-09 deg/d
Q 2.928854642246242 1.8375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      6115 days (16.74 yr)  
   first obs. used      2002-08-11  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:50:36  

Additional Information
 Earth MOID = .77021 au 
 Jupiter MOID = 2.54955 au 
 T_jup = 3.514 
[ 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 16.4   n/a MPO436905  

183106 (2002 RB121)          Discovered 2002-Sep-07 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin