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20967 (1978 VF6)
Classification: Main-belt Asteroid          SPK-ID: 2020967
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09753867212086886 3.768e-08  
a 2.345560694470103 8.7543e-09 au
q 2.116777818952586 8.7083e-08 au
i 5.09820628003005 3.696e-06 deg
node 255.2589296630587 4.5894e-05 deg
peri 252.3841520363663 4.9701e-05 deg
M 187.0774587560152 1.8723e-05 deg
tp 2459830.756812054450
(2022-Sep-08.25681205)
6.8718e-05 TDB
period 1312.104545233745
3.59
7.3457e-06
2.011e-08
d
yr
n .2743683811687946 1.536e-09 deg/d
Q 2.57434356998762 9.6082e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      15352 days (42.03 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:35:23  

Additional Information
 Earth MOID = 1.13497 au 
 Jupiter MOID = 2.44883 au 
 T_jup = 3.549 
[ 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 15.43   n/a E2021B10  
rotation period rot_per 29.4123 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

20967 (1978 VF6)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 VF6 = 1989 YL7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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