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37639 (1993 VR1)
Classification: Main-belt Asteroid          SPK-ID: 2037639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199347803721032 3.2048e-08  
a 2.321875877641295 8.7937e-09 au
q 2.043402204205102 7.4765e-08 au
i 4.403232237538941 4.6719e-06 deg
node 31.21668739356973 4.6866e-05 deg
peri 39.19229983612987 5.1552e-05 deg
M 164.0374026630423 2.1225e-05 deg
tp 2458411.659992398858
(2018-Oct-20.15999240)
7.5108e-05 TDB
period 1292.280902373559
3.54
7.3414e-06
2.01e-08
d
yr
n .2785772035621516 1.5826e-09 deg/d
Q 2.600349551077488 9.8484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1525  
   data-arc span      14144 days (38.72 yr)  
   first obs. used      1981-05-08  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:35:36  

Additional Information
 Earth MOID = 1.05972 au 
 Jupiter MOID = 2.64661 au 
 T_jup = 3.563 
[ 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 14.6   n/a MPO474232  
diameter diameter 4.188 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.175   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37639 (1993 VR1)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 VR1 = 1981 JK4 = 2000 QH128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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