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JPL Small-Body Database Browser
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20968 (1978 VM8)
Classification: Main-belt Asteroid          SPK-ID: 2020968
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152663779978196 3.7301e-08  
a 2.369711041196281 1.0425e-08 au
q 2.00794199619119 8.8643e-08 au
i 5.938221836822313 5.5579e-06 deg
node 229.3961026728102 4.9302e-05 deg
peri 243.6187288898144 5.6717e-05 deg
M 355.8753056603485 2.4952e-05 deg
tp 2458615.766194276791
(2019-May-12.26619428)		 9.2351e-05 TDB
period 1332.42114132246
3.65		 8.7927e-06
2.407e-08		 d
yr
n .2701848453430358 1.783e-09 deg/d
Q 2.731480086201372 1.2017e-08 au
   Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      14706 days (40.26 yr)  
   first obs. used      1978-11-05  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:47:48  

Additional Information
 Earth MOID = 1.03294 au 
 Jupiter MOID = 2.40546 au 
 T_jup = 3.522 
[ 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 15.9   n/a MPO412341  

20968 (1978 VM8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VM8 = 1998 HK78 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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