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212215 (2005 GH197)
Classification: Main-belt Asteroid          SPK-ID: 2212215
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04469340100687561 8.6337e-08  
a 2.589867109102494 2.7216e-08 au
q 2.474117139840859 2.3161e-07 au
i 1.83498203508632 5.1299e-06 deg
node 86.93104568288381 0.00029947 deg
peri 49.60398694514212 0.00031438 deg
M 288.804248534663 9.789e-05 deg
tp 2459301.569128011861
(2021-Mar-28.06912801)		 0.00041492 TDB
period 1522.350475323506
4.17		 2.3997e-05
6.57e-08		 d
yr
n .2364764263127375 3.7276e-09 deg/d
Q 2.70561707836413 2.8433e-08 au
   Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5840 days (15.99 yr)  
   first obs. used      2003-11-29  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:02:28  

Additional Information
 Earth MOID = 1.48813 au 
 Jupiter MOID = 2.2871 au 
 T_jup = 3.418 
[ 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 17.0   n/a MPO494173  

212215 (2005 GH197)          Discovered 2005-Apr-10 by Buie, M. W. at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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