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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2249543315355486 5.1114e-08  
a 2.300330568496725 8.4027e-09 au
q 1.782861243149755 1.1946e-07 au
i 2.936730439240171 4.085e-06 deg
node 271.345880708179 0.00011984 deg
peri 26.37594299820541 0.0001206 deg
M 49.95524340793128 1.4722e-05 deg
tp 2458823.667380013901
(2019-Dec-06.16738001)
5.1852e-05 TDB
period 1274.335562238267
3.49
6.9824e-06
1.912e-08
d
yr
n .2825001598226524 1.5479e-09 deg/d
Q 2.817799893843695 1.0293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      9275 days (25.39 yr)  
   first obs. used      1994-02-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:40:54  

Additional Information
 Earth MOID = .767608 au 
 Jupiter MOID = 2.39934 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 16.9   n/a MPO475274  

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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