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19979 (1989 VJ)
Classification: Main-belt Asteroid          SPK-ID: 2019979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034846707521088 2.1181e-08  
a 2.458538303350225 7.2118e-09 au
q 2.204117276496579 5.3106e-08 au
i 5.17144800090681 3.5577e-07 deg
node 257.5391481461188 7.7422e-06 deg
peri 179.9979254762333 1.1699e-05 deg
M 359.201775347002 9.3042e-06 deg
tp 2459203.622026112415
(2020-Dec-20.12202611)
3.6392e-05 TDB
period 1408.036442182151
3.85
6.1955e-06
1.696e-08
d
yr
n .2556752007370478 1.125e-09 deg/d
Q 2.712959330203871 7.9582e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2613  
   data-arc span      16370 days (44.82 yr)  
   first obs. used      1976-05-29  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:00:43  

Additional Information
 Earth MOID = 1.21906 au 
 Jupiter MOID = 2.4976 au 
 T_jup = 3.478 
[ 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 13.05   n/a MPCxxxxx  
rotation period rot_per 7.568 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Han, X.L.; Li, B.; Zhao, H.; Liu. W.; et al. (2013) Minor Planet Bull. 40, 99-100.]

19979 (1989 VJ)          Discovered 1989-Nov-02 by Arai, M., Mori, H. at Yorii
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 VJ = 1952 CC = 1999 JT33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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