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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1053087724872955 3.1349e-08  
a 2.245077335621139 6.9461e-09 au
q 2.008650997267829 6.8715e-08 au
i 5.827696271795588 3.7984e-06 deg
node 305.3654091284779 2.8939e-05 deg
peri 323.9892602998439 3.4174e-05 deg
M 252.1552610893514 1.9659e-05 deg
tp 2459764.579684428479
(2022-Jul-04.07968443)
6.7714e-05 TDB
period 1228.698661916538
3.36
5.7022e-06
1.561e-08
d
yr
n .2929929128745595 1.3597e-09 deg/d
Q 2.481503673974449 7.6775e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1453  
   data-arc span      11019 days (30.17 yr)  
   first obs. used      1991-03-08  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:30:34  

Additional Information
 Earth MOID = .995666 au 
 Jupiter MOID = 2.60758 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 15.23   n/a MPCxxxxx  

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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