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91965 (1999 VM89)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091965
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196163762000496 3.5874e-08  
a 3.241955482718965 1.8627e-08 au
q 2.85416451607424 1.136e-07 au
i 1.369816899046922 4.1074e-06 deg
node 49.76532870745805 0.00015397 deg
peri 145.2308688336885 0.00015485 deg
M 110.3919361177326 1.654e-05 deg
tp 2458742.701609814094
(2019-Sep-16.20160981)
9.8277e-05 TDB
period 2132.107006583413
5.84
1.8376e-05
5.031e-08
d
yr
n .1688470601561788 1.4552e-09 deg/d
Q 3.62974644936369 2.0855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:03:04  

Additional Information
 Earth MOID = 1.85394 au 
 Jupiter MOID = 1.32356 au 
 T_jup = 3.172 
[ 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 14.19   n/a E2021B10  
diameter diameter 6.467 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91965 (1999 VM89)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VM89 = 2000 YY51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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