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243662 (1999 VW71)
Classification: Main-belt Asteroid          SPK-ID: 2243662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149665538647582 8.5094e-08  
a 2.636377828969574 1.5351e-08 au
q 2.069644772390532 2.2043e-07 au
i 10.63308892539015 8.9989e-06 deg
node 254.8666984297546 4.0078e-05 deg
peri 124.6444228300718 4.5044e-05 deg
M 229.7120841719923 1.9553e-05 deg
tp 2459166.363314449418
(2020-Nov-12.86331445)
8.7964e-05 TDB
period 1563.543264217288
4.28
1.3656e-05
3.739e-08
d
yr
n .2302462670773723 2.011e-09 deg/d
Q 3.203110885548616 1.8651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      1999-11-15  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58395  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:33:52  

Additional Information
 Earth MOID = 1.0936 au 
 Jupiter MOID = 2.33709 au 
 T_jup = 3.340 
[ 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 16.0   n/a MPO437137  
diameter diameter 4.210 km 1.812 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243662 (1999 VW71)          Discovered 1999-Nov-15 by Eskridge at Eskridge
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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