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91966 (1999 VP91)
Classification: Main-belt Asteroid          SPK-ID: 2091966
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494718692905343 3.8728e-08  
a 3.178317997643415 2.708e-08 au
q 2.703248865335906 1.2399e-07 au
i 7.012741100971041 4.3803e-06 deg
node 200.529114768577 3.5722e-05 deg
peri 221.2771232946886 3.8724e-05 deg
M 210.7943514568455 1.7809e-05 deg
tp 2459858.282558854764
(2022-Oct-05.78255885)
0.000109 TDB
period 2069.638275781502
5.67
2.6451e-05
7.242e-08
d
yr
n .1739434393983957 2.223e-09 deg/d
Q 3.653387129950925 3.1127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1997-06-27  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:40:27  

Additional Information
 Earth MOID = 1.72068 au 
 Jupiter MOID = 1.7254 au 
 T_jup = 3.171 
[ 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 14.9   n/a MPO436415  
diameter diameter 7.629 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91966 (1999 VP91)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VP91 = 2001 BW75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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