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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524255462038051 3.0862e-08  
a 2.36945660863524 9.736e-09 au
q 2.008290890857798 7.1198e-08 au
i 5.937971560479181 5.3165e-06 deg
node 229.3922536920092 4.0225e-05 deg
peri 243.6205790795714 4.5502e-05 deg
M 103.9812314905942 2.0757e-05 deg
tp 2458615.709782291945
(2019-May-12.20978229)		 7.6185e-05 TDB
period 1332.206556790302
3.65		 8.211e-06
2.248e-08		 d
yr
n .2702283652374083 1.6655e-09 deg/d
Q 2.730622326412683 1.122e-08 au
   Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      15228 days (41.69 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:59:40  

Additional Information
 Earth MOID = 1.03306 au 
 Jupiter MOID = 2.40485 au 
 T_jup = 3.523 
[ 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

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