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JPL Small-Body Database Browser
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146984 (2002 OF21)
Classification: Main-belt Asteroid          SPK-ID: 2146984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251544182126644 5.2789e-08  
a 2.300529129529775 8.7086e-09 au
q 1.782554831789211 1.2316e-07 au
i 2.936544605423893 4.286e-06 deg
node 271.3497851211216 0.00012604 deg
peri 26.46070627596544 0.00012675 deg
M 296.9093280124474 1.4747e-05 deg
tp 2458823.858602839709
(2019-Dec-06.35860284)
5.2522e-05 TDB
period 1274.50056385767
3.49
7.2369e-06
1.981e-08
d
yr
n .2824635862932448 1.6039e-09 deg/d
Q 2.818503427270338 1.0669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      9220 days (25.24 yr)  
   first obs. used      1994-02-10  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59161  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:41  

Additional Information
 Earth MOID = .766585 au 
 Jupiter MOID = 2.39725 au 
 T_jup = 3.556 
[ 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 17.1   n/a MPO385654  

146984 (2002 OF21)          Discovered 2002-Jul-22 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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