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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2544367771262907 5.0056e-08  
a 2.387512660917923 1.3572e-08 au
q 1.780041634125752 1.2437e-07 au
i 1.93203746801632 5.4301e-06 deg
node 241.5368735213376 0.00014763 deg
peri 101.2470520371238 0.00014803 deg
M 302.4583682893781 1.551e-05 deg
tp 2459415.875661386190
(2021-Jul-20.37566139)		 5.9423e-05 TDB
period 1347.463319930775
3.69		 1.149e-05
3.146e-08		 d
yr
n .2671686825720012 2.2781e-09 deg/d
Q 2.994983687710094 1.7025e-08 au
   Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      8536 days (23.37 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:18  

Additional Information
 Earth MOID = .771589 au 
 Jupiter MOID = 2.42546 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 16.64   n/a E2021B55  
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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