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91946 (1999 VM65)
Classification: Main-belt Asteroid          SPK-ID: 2091946
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057089549570467 4.5092e-08  
a 3.124997894883704 2.5127e-08 au
q 2.482157843684207 1.4492e-07 au
i 17.1804725074308 5.7164e-06 deg
node 49.35651715692305 1.586e-05 deg
peri 236.0349714427722 2.0523e-05 deg
M 70.7627740882596 1.3117e-05 deg
tp 2458999.879306243938
(2020-May-30.37930624)
7.2103e-05 TDB
period 2017.77631801283
5.52
2.4336e-05
6.663e-08
d
yr
n .1784142259903909 2.1518e-09 deg/d
Q 3.767837946083203 3.0295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1999-10-08  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:03:02  

Additional Information
 Earth MOID = 1.51093 au 
 Jupiter MOID = 1.54082 au 
 T_jup = 3.114 
[ 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 14.06   n/a E2021B10  
diameter diameter 7.703 km 1.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

91946 (1999 VM65)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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