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21103 (1992 OB3)
Classification: Main-belt Asteroid          SPK-ID: 2021103
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1053896194479083 3.1374e-08  
a 2.245040640427511 6.9411e-09 au
q 2.008436661687767 6.8768e-08 au
i 5.827908830329055 3.8015e-06 deg
node 305.3656142828216 2.9189e-05 deg
peri 323.9558024866206 3.4421e-05 deg
M 194.7732772926394 1.961e-05 deg
tp 2459764.413543923184
(2022-Jul-03.91354392)
6.7844e-05 TDB
period 1228.668537908986
3.36
5.6981e-06
1.56e-08
d
yr
n .2930000963585079 1.3588e-09 deg/d
Q 2.481644619167254 7.6726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      10908 days (29.86 yr)  
   first obs. used      1991-03-08  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:50:56  

Additional Information
 Earth MOID = .993765 au 
 Jupiter MOID = 2.6086 au 
 T_jup = 3.617 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO337436  

21103 (1992 OB3)          Discovered 1992-Jul-26 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 OB3 = 1998 FV97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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