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437178 (2012 VR71)
Classification: Main-belt Asteroid          SPK-ID: 2437178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197165031930987 6.6397e-08  
a 2.718031146547043 5.5622e-08 au
q 2.182130448748678 2.0248e-07 au
i 10.29682084197412 1.1172e-05 deg
node 56.70452031432507 5.1819e-05 deg
peri 250.8007731788685 6.2817e-05 deg
M 332.0278285963907 3.1838e-05 deg
tp 2459127.675586904849
(2020-Oct-05.17558690)
0.00014436 TDB
period 1636.741410780801
4.48
5.0242e-05
1.376e-07
d
yr
n .2199492220510652 6.7516e-09 deg/d
Q 3.253931844345408 6.6589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5565 days (15.24 yr)  
   first obs. used      2003-11-15  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:47:50  

Additional Information
 Earth MOID = 1.19326 au 
 Jupiter MOID = 2.07335 au 
 T_jup = 3.309 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO434607  

437178 (2012 VR71)          Discovered 2003-Nov-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 VR71 = 2012 XD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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