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(2015 VR2)
Classification: Mars-crossing Asteroid          SPK-ID: 3733294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .535171377976602 3.2901e-08  
a 3.044938460398754 2.208e-08 au
q 1.4153745486932 1.0483e-07 au
i 20.98596840563712 8.9608e-06 deg
node 305.0811568378017 1.3823e-05 deg
peri 127.9115710060033 2.4858e-05 deg
M 348.1073150789192 9.3837e-06 deg
tp 2459264.612633855954
(2021-Feb-19.11263386)
5.0897e-05 TDB
period 1940.734858554214
5.31
2.111e-05
5.78e-08
d
yr
n .1854967454277544 2.0177e-09 deg/d
Q 4.674502372104309 3.3897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      2000-01-04  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41769  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:10:37  

Additional Information
 Earth MOID = .515446 au 
 Jupiter MOID = 1.25068 au 
 T_jup = 2.916 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a E2020X30  
diameter diameter 1.477 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.074   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

[ show close-approach data ]
Alternate Designations
 2015 VR2 = 2000 AS48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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