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385268 (2001 RC12)
Classification: Amor [NEO]          SPK-ID: 2385268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6419358674092915 1.1782e-07  
a 3.214339238257435 6.2228e-08 au
q 1.150939591198927 3.8834e-07 au
i 27.37848260358129 1.8461e-05 deg
node 208.9085322684345 2.8621e-05 deg
peri 185.4830842752858 3.3612e-05 deg
M 115.5320249210636 3.2577e-05 deg
tp 2458524.983632679072
(2019-Feb-10.48363268)
0.00017164 TDB
period 2104.92192447669
5.76
6.1126e-05
1.674e-07
d
yr
n .1710277211775921 4.9666e-09 deg/d
Q 5.277738885315943 1.0218e-07 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6805 days (18.63 yr)  
   first obs. used      2001-09-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:46  

Additional Information
 Earth MOID = .157094 au 
 Jupiter MOID = .180241 au 
 T_jup = 2.689 
[ 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 15.82   n/a E2021B25  
diameter diameter 3.2 km 0.4 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.080   0.023 Fernandez et al. (2005) Astron.J. 130:308-318  

385268 (2001 RC12)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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