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JPL Small-Body Database Browser
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37531 (1978 VF7)
Classification: Main-belt Asteroid          SPK-ID: 2037531
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 .1331214043285064 3.7303e-08  
a 2.428846251934993 1.2632e-08 au
q 2.105514827979378 8.7258e-08 au
i 3.523160542701043 3.44e-06 deg
node 85.87659307304189 6.9567e-05 deg
peri 66.68479041028132 7.2557e-05 deg
M 277.882671790099 2.5035e-05 deg
tp 2459315.877548807044
(2021-Apr-11.37754881)
9.8107e-05 TDB
period 1382.606083825884
3.79
1.0786e-05
2.953e-08
d
yr
n .260377850359102 2.0313e-09 deg/d
Q 2.752177675890608 1.4314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      15050 days (41.20 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:33:25  

Additional Information
 Earth MOID = 1.11907 au 
 Jupiter MOID = 2.24288 au 
 T_jup = 3.494 
[ 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 15.5   n/a MPO452692  

37531 (1978 VF7)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 VF7 = 2001 XD241 = 2001 YF91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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