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91944 (1999 VO64)
Classification: Main-belt Asteroid          SPK-ID: 2091944
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624275973113507 4.0652e-08  
a 3.186492058732526 2.2382e-08 au
q 2.668917809780903 1.3355e-07 au
i 1.817258160681507 4.5841e-06 deg
node 63.87179510203539 0.00014758 deg
peri 316.1870199440973 0.0001483 deg
M 243.2685562950524 1.5848e-05 deg
tp 2459674.179052651970
(2022-Apr-04.67905265)
9.5489e-05 TDB
period 2077.627511981417
5.69
2.189e-05
5.993e-08
d
yr
n .1732745633776628 1.8256e-09 deg/d
Q 3.70406630768415 2.6017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:31:29  

Additional Information
 Earth MOID = 1.67187 au 
 Jupiter MOID = 1.75518 au 
 T_jup = 3.176 
[ 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 6.243 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91944 (1999 VO64)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VO64 = 2000 YY123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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