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JPL Small-Body Database Browser
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65661 (1985 VB1)
Classification: Main-belt Asteroid          SPK-ID: 2065661
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2313304342275656 4.575e-08  
a 3.138899132198377 2.9009e-08 au
q 2.412776232950398 1.3838e-07 au
i 25.66407195884188 5.2306e-06 deg
node 135.4852703489232 1.0582e-05 deg
peri 188.6762210702487 1.4317e-05 deg
M 115.659272568109 9.6178e-06 deg
tp 2458347.906982683622
(2018-Aug-17.40698268)
5.3361e-05 TDB
period 2031.25509107408
5.56
2.8159e-05
7.71e-08
d
yr
n .1772303250251254 2.4569e-09 deg/d
Q 3.865022031446357 3.572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      12586 days (34.46 yr)  
   first obs. used      1985-08-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:38  

Additional Information
 Earth MOID = 1.40214 au 
 Jupiter MOID = 1.48439 au 
 T_jup = 3.020 
[ 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 13.9   n/a MPO351304  

65661 (1985 VB1)          Discovered 1985-Nov-01 by West, R. M. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1985 VB1 = 2002 UD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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