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21102 (1992 OF2)
Classification: Main-belt Asteroid          SPK-ID: 2021102
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 .1350946960852853 5.4743e-08  
a 2.291058238210052 6.8308e-09 au
q 1.981548421805376 1.2448e-07 au
i 5.484018898256441 4.5282e-06 deg
node 313.6002388182086 4.8173e-05 deg
peri 16.90479065340871 5.0265e-05 deg
M 52.20431767454435 1.5569e-05 deg
tp 2459016.822253120854
(2020-Jun-16.32225312)
5.4665e-05 TDB
period 1266.638313112857
3.47
5.6648e-06
1.551e-08
d
yr
n .284216888335924 1.2711e-09 deg/d
Q 2.600568054614728 7.7536e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      10427 days (28.55 yr)  
   first obs. used      1992-07-24  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50226  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:39:19  

Additional Information
 Earth MOID = .969178 au 
 Jupiter MOID = 2.71801 au 
 T_jup = 3.580 
[ 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 15.55   n/a E2021B10  

21102 (1992 OF2)          Discovered 1992-Jul-26 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 OF2 = 1999 RK128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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