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JPL Small-Body Database Browser
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66889 (1999 VW78)
Classification: Main-belt Asteroid          SPK-ID: 2066889
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02184664963575173 4.6736e-08  
a 2.798498977324255 2.3776e-08 au
q 2.737361150660643 1.341e-07 au
i 5.157899930742351 5.2009e-06 deg
node 226.3201730074236 5.3652e-05 deg
peri 159.947379061419 0.00012203 deg
M 150.9091421687743 0.000109 deg
tp 2458283.698005126577
(2018-Jun-14.19800513)
0.00051814 TDB
period 1709.960804533863
4.68
2.1792e-05
5.966e-08
d
yr
n .2105311414422369 2.683e-09 deg/d
Q 2.859636803987867 2.4296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1997-04-11  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:58:52  

Additional Information
 Earth MOID = 1.74167 au 
 Jupiter MOID = 2.23063 au 
 T_jup = 3.320 
[ 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 15.4   n/a MPO432222  
rotation period rot_per 10.7 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Stephens, R.D.; French, L.M.; James, D.; Rohl, D.; Warner, B.D. (2017) Minor Planet Bull. 44, 42-49.]

66889 (1999 VW78)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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