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276111 (2002 GM9)
Classification: Amor [NEO]          SPK-ID: 2276111
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3493888399671815 5.7384e-08  
a 1.86508764549011 7.8257e-09 au
q 1.213446836595198 1.0678e-07 au
i 17.32064990827769 1.4604e-05 deg
node 44.13353739118885 2.1165e-05 deg
peri 273.7397896799296 3.0162e-05 deg
M 324.8863300121231 1.5409e-05 deg
tp 2459091.244647339971
(2020-Aug-29.74464734)
3.9826e-05 TDB
period 930.3519983433358
2.55
5.8555e-06
1.603e-08
d
yr
n .3869503162685163 2.4354e-09 deg/d
Q 2.516728454385021 1.056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-23 06:24:43  

Additional Information
 Earth MOID = .376466 au 
 Jupiter MOID = 2.99061 au 
 T_jup = 3.861 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.6   n/a MPO348750  

276111 (2002 GM9)          Discovered 2002-Apr-12 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2002 GM9 = 1997 JC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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