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134649 (1999 VR28)
Classification: Main-belt Asteroid          SPK-ID: 2134649
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2543549142584083 5.0185e-08  
a 2.387199952801902 1.3705e-08 au
q 1.780003913489298 1.2457e-07 au
i 1.932153566539235 5.5076e-06 deg
node 241.5380161947295 0.00015219 deg
peri 101.2741168036564 0.00015259 deg
M 248.9790035902757 1.5226e-05 deg
tp 2459415.964807995466
(2021-Jul-20.46480800)		 5.959e-05 TDB
period 1347.198599500834
3.69		 1.1601e-05
3.176e-08		 d
yr
n .2672211804060572 2.3011e-09 deg/d
Q 2.994395992114506 1.719e-08 au
   Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:21:05  

Additional Information
 Earth MOID = .773379 au 
 Jupiter MOID = 2.42561 au 
 T_jup = 3.489 
[ 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 16.6   n/a MPO426837  
diameter diameter 1.091 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134649 (1999 VR28)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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