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12489 (1997 GR36)
Classification: Main-belt Asteroid          SPK-ID: 2012489
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964574196893744 2.7537e-08  
a 2.576498881050165 1.0158e-08 au
q 2.070326559046489 7.0387e-08 au
i 5.619806063365557 3.113e-06 deg
node 73.54411720217347 4.9801e-05 deg
peri 6.521530796379403 5.1428e-05 deg
M 333.2521096237925 1.4878e-05 deg
tp 2459112.735539371425
(2020-Sep-20.23553937)
6.2783e-05 TDB
period 1510.578726225572
4.14
8.9333e-06
2.446e-08
d
yr
n .2383192572157552 1.4094e-09 deg/d
Q 3.082671203053841 1.2154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      16707 days (45.74 yr)  
   first obs. used      1974-11-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:34:08  

Additional Information
 Earth MOID = 1.08611 au 
 Jupiter MOID = 2.17337 au 
 T_jup = 3.393 
[ 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 14.0   n/a MPO412273  

12489 (1997 GR36)          Discovered 1997-Apr-07 by LINEAR at Socorro
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GR36 = 1974 VW2 = 1995 UW48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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