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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033171538685418 3.5549e-08  
a 2.458063056461328 9.4348e-09 au
q 2.204102977438334 8.8435e-08 au
i 5.171715808064551 3.9952e-06 deg
node 257.5372002607646 5.2217e-05 deg
peri 180.0303843755806 5.756e-05 deg
M 308.0246601646127 2.504e-05 deg
tp 2459203.727648991883
(2020-Dec-20.22764899)
9.8331e-05 TDB
period 1407.628191923161
3.85
8.1044e-06
2.219e-08
d
yr
n .2557493534625452 1.4725e-09 deg/d
Q 2.712023135484321 1.041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2070  
   data-arc span      15910 days (43.56 yr)  
   first obs. used      1976-05-29  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:59:12  

Additional Information
 Earth MOID = 1.21949 au 
 Jupiter MOID = 2.49838 au 
 T_jup = 3.479 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO449098  
rotation period rot_per 7.568 h n/a LCDB (Rev. 2019-August); 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

[ show close-approach data ]
Alternate Designations
 1989 VJ = 1952 CC = 1999 JT33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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