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91945 (1999 VU64)
Classification: Main-belt Asteroid          SPK-ID: 2091945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493150042066129 4.0304e-08  
a 3.105178310787608 1.9751e-08 au
q 2.641528598250073 1.3164e-07 au
i 2.689623517044739 3.9088e-06 deg
node 54.74568437050026 0.00010954 deg
peri 46.69125709961376 0.0001109 deg
M 297.2274647951934 2.0814e-05 deg
tp 2459744.994084884074
(2022-Jun-14.49408488)
0.00011723 TDB
period 1998.610859812146
5.47
1.9068e-05
5.221e-08
d
yr
n .1801251095142339 1.7185e-09 deg/d
Q 3.568828023325143 2.27e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      7762 days (21.25 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48655  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:48:39  

Additional Information
 Earth MOID = 1.65954 au 
 Jupiter MOID = 1.58933 au 
 T_jup = 3.202 
[ 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 14.57   n/a E2021B10  
diameter diameter 7.306 km 1.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.052   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91945 (1999 VU64)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VU64 = 2001 BT68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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