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102031 (1999 RC105)
Classification: Main-belt Asteroid          SPK-ID: 2102031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862403084784463 3.4718e-08  
a 2.249778389776991 6.7635e-09 au
q 1.830778968456782 7.9879e-08 au
i 6.758378478682944 4.0737e-06 deg
node 140.2120863362463 2.73e-05 deg
peri 226.2433455310607 2.8955e-05 deg
M 107.0022458400437 1.0093e-05 deg
tp 2458834.148115019973
(2019-Dec-16.64811502)
3.4032e-05 TDB
period 1232.559910844912
3.37
5.5582e-06
1.522e-08
d
yr
n .292075051956884 1.3171e-09 deg/d
Q 2.6687778110972 8.0232e-09 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      7857 days (21.51 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:00  

Additional Information
 Earth MOID = .834333 au 
 Jupiter MOID = 2.79813 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457588.5 (2016-Jul-19.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873366768548336 3.4791e-08  
q 1.827902199711651 8.0105e-08 au
tp 2457601.435630097399
(2016-Jul-31.93563010)
3.2396e-05 TDB
node 140.2920254604232 2.7311e-05 deg
peri 226.061738270757 2.893e-05 deg
i 6.75810056445047 4.0739e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      7857 days (21.51 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:00  

Additional Information
 Jupiter MOID = 2.79813 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.210424476618376E-15 -2.780959392366551E-15 -3.500026020737504E-13 -3.488972360901264E-16 -9.010116070950849E-14 -4.715752957628024E-16
q -2.780959392366551E-15 6.416864834721835E-15 8.129649045301563E-13 5.699422385172747E-16 2.092762367172088E-13 1.140183693919167E-15
tp -3.500026020737504E-13 8.129649045301563E-13 1.049516881092105E-9 -3.907826366595878E-12 3.164545038132929E-10 -5.105115717780703E-13
node -3.488972360901264E-16 5.699422385172747E-16 -3.907826366595878E-12 7.458879225370873E-10 -7.414309234770237E-10 9.544665954829763E-12
peri -9.010116070950849E-14 2.092762367172088E-13 3.164545038132929E-10 -7.414309234770237E-10 8.369500882414E-10 -9.642675901252171E-12
i -4.715752957628024E-16 1.140183693919167E-15 -5.105115717780703E-13 9.544665954829763E-12 -9.642675901252171E-12 1.659683141085853E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436477  

102031 (1999 RC105)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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