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JPL Small-Body Database Browser
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382227 (2012 RA12)
Classification: Main-belt Asteroid          SPK-ID: 2382227
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09462777038618801 5.6208e-08  
a 3.046831303088884 4.9138e-08 au
q 2.758516450134739 1.7216e-07 au
i 8.366540895755081 6.4154e-06 deg
node 300.0124376609405 4.3031e-05 deg
peri 2.177241948922966 5.4379e-05 deg
M 209.2918038091459 3.2974e-05 deg
tp 2459813.715057171984
(2022-Aug-22.21505717)
0.00017942 TDB
period 1942.544785096968
5.32
4.6992e-05
1.287e-07
d
yr
n .1853239126129231 4.4832e-09 deg/d
Q 3.335146156043029 5.3787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6746 days (18.47 yr)  
   first obs. used      2001-08-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:33:16  

Additional Information
 Earth MOID = 1.74308 au 
 Jupiter MOID = 1.88162 au 
 T_jup = 3.215 
[ 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 15.8   n/a MPO423413  

382227 (2012 RA12)          Discovered 2004-Jan-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 RA12 = 2004 BD129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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