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21101 (1992 OJ1)
Classification: Main-belt Asteroid          SPK-ID: 2021101
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180598430929048 1.5831e-08  
a 2.280743434049421 8.4597e-09 au
q 1.868844748508367 3.5388e-08 au
i 23.56401882487616 8.503e-07 deg
node 320.2318656654976 1.711e-06 deg
peri 305.6036246347199 3.4209e-06 deg
M 122.0138169418766 3.4977e-06 deg
tp 2458774.097650206980
(2019-Oct-17.59765021)
1.0868e-05 TDB
period 1258.093958314672
3.44
6.9997e-06
1.916e-08
d
yr
n .2861471495199388 1.5921e-09 deg/d
Q 2.692642119590476 9.9875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1947  
   data-arc span      24884 days (68.13 yr)  
   first obs. used      1953-01-10  
   last obs. used      2021-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39318  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:53:19  

Additional Information
 Earth MOID = .919183 au 
 Jupiter MOID = 2.69021 au 
 T_jup = 3.475 
[ 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 13.88   n/a E2021B10  
rotation period rot_per 7.889 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Linville, D.; Jiang, H.; Michalik, D.; Wilson, S.; Ditteon, R. (2017) Minor Planet Bull. 44, 173-176.]

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

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