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21101 (1992 OJ1)
Classification: Main-belt Asteroid          SPK-ID: 2021101
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812479455150038 8.1504e-08  
a 2.280674788474374 2.0939e-08 AU
q 1.867307168675528 1.8574e-07 AU
i 23.55880375451877 1.4396e-05 deg
node 320.2705572668914 2.731e-05 deg
peri 305.5010331959278 6.2943e-05 deg
M 155.5946334459117 6.5314e-05 deg
tp 2456256.767136843677
(2012-Nov-25.26713684)
0.00022426 JED
period 1258.037159773389
3.44
1.7326e-05
4.744e-08
d
yr
n .2861600686460223 3.941e-09 deg/d
Q 2.69404240827322 2.4735e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      22288 days (61.02 yr)  
   first obs. used      1953-01-10  
   last obs. used      2014-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4859  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:54:20  

Additional Information
 Earth MOID = .919131 AU 
 T_jup = 3.475 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO267786  

21101 (1992 OJ1)          Discovered 1992-Jul-26 by Debehogne, H. at La Silla (809)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 OJ1 = 1992 OU10 = 1999 NL 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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