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392912 (2012 VR77)
Classification: Main-belt Asteroid          SPK-ID: 2392912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953499421698482 2.718e-07  
a 2.599157309965506 7.9954e-08 au
q 2.091412079773406 7.4805e-07 au
i 17.42130779788584 2.3235e-05 deg
node 19.95039123290538 2.2787e-05 deg
peri 32.88716392062465 5.9344e-05 deg
M 292.4187717859672 5.5669e-05 deg
tp 2459287.823305675497
(2021-Mar-14.32330568)
0.00024584 TDB
period 1530.549129938735
4.19
7.0623e-05
1.934e-07
d
yr
n .2352096988970293 1.0853e-08 deg/d
Q 3.106902540157606 9.5573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      3389 days (9.28 yr)  
   first obs. used      2008-12-31  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:06:35  

Additional Information
 Earth MOID = 1.11793 au 
 Jupiter MOID = 2.39662 au 
 T_jup = 3.325 
[ 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 16.3   n/a MPO437609  

392912 (2012 VR77)          Discovered 2010-Mar-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 VR77 = 2010 GH125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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