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312558 (2009 GC)
Classification: Main-belt Asteroid          SPK-ID: 2312558
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07847952432103779 5.3115e-08  
a 2.29646443811744 1.9649e-08 au
q 2.116239001393804 1.2533e-07 au
i 5.588301368349981 5.4362e-06 deg
node 78.37499155165536 6.9847e-05 deg
peri 55.48783665264018 9.4278e-05 deg
M 120.1278922373328 5.753e-05 deg
tp 2458576.340332513789
(2019-Apr-02.84033251)
0.00020462 TDB
period 1271.124278059891
3.48
1.6314e-05
4.467e-08
d
yr
n .2832138495139638 3.6349e-09 deg/d
Q 2.476689874841077 2.1191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6145 days (16.82 yr)  
   first obs. used      2002-04-02  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:07:17  

Additional Information
 Earth MOID = 1.13654 au 
 Jupiter MOID = 2.5477 au 
 T_jup = 3.584 
[ 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 17.1   n/a MPO471272  

312558 (2009 GC)          Discovered 2009-Apr-02 by Schwab, E., Kling, R. at Taunus
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 GC = 2002 GW34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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