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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09436099722209938 5.6367e-08  
a 3.047487490728332 5.4218e-08 au
q 2.759923532081333 1.7225e-07 au
i 8.365177237560948 6.4146e-06 deg
node 300.0136317148257 4.6522e-05 deg
peri 2.045959395784065 6.0116e-05 deg
M 135.3345879421094 3.6228e-05 deg
tp 2457870.004359466206
(2017-Apr-26.50435947)
0.00020037 TDB
period 1943.17235963845
5.32
5.1857e-05
1.42e-07
d
yr
n .1852640596776409 4.9441e-09 deg/d
Q 3.335051449375331 5.9334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-08-14  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:45:25  

Additional Information
 Earth MOID = 1.74372 au 
 Jupiter MOID = 1.87955 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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