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91936 (1999 VC57)
Classification: Main-belt Asteroid          SPK-ID: 2091936
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08509682725993575 6.605e-08  
a 3.134714111080395 3.325e-08 au
q 2.867959885860504 2.0982e-07 au
i 11.73307125439185 7.5706e-06 deg
node 217.8052237848981 2.4339e-05 deg
peri 188.6194165224836 4.1832e-05 deg
M 254.7775187175901 3.7881e-05 deg
tp 2459593.017761277506
(2022-Jan-13.51776128)
0.00021901 TDB
period 2027.194107762985
5.55
3.2254e-05
8.831e-08
d
yr
n .1775853622607759 2.8255e-09 deg/d
Q 3.401468336300286 3.6079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      21486 days (58.83 yr)  
   first obs. used      1960-09-26  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:40:01  

Additional Information
 Earth MOID = 1.8776 au 
 Jupiter MOID = 1.99906 au 
 T_jup = 3.174 
[ 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 15.1   n/a MPO474798  
diameter diameter 5.858 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91936 (1999 VC57)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 VC57 = 1997 KD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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