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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961662848291768 2.7554e-08  
a 2.57676945334676 1.0326e-08 au
q 2.071294162822417 7.0335e-08 au
i 5.619928312161414 3.1161e-06 deg
node 73.54561902143703 4.9875e-05 deg
peri 6.480730037118355 5.1519e-05 deg
M 237.9393631593162 1.4685e-05 deg
tp 2459112.753462680193
(2020-Sep-20.25346268)
6.3234e-05 TDB
period 1510.816683723903
4.14
9.0819e-06
2.486e-08
d
yr
n .2382817213221805 1.4324e-09 deg/d
Q 3.082244743871103 1.2352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1543  
   data-arc span      16450 days (45.04 yr)  
   first obs. used      1974-11-09  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:46:11  

Additional Information
 Earth MOID = 1.08697 au 
 Jupiter MOID = 2.17424 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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