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JPL Small-Body Database Browser
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(2018 GR2)
Classification: Apollo [NEO]          SPK-ID: 3802458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4762958834160194 1.1872e-05  
a 1.799826389148341 3.8033e-05 au
q .9425764891334675 1.4552e-06 au
i 8.11116267996732 0.00016848 deg
node 39.60536959457344 6.5362e-05 deg
peri 225.9995621056827 0.00014718 deg
M 294.4123810600299 0.0093031 deg
tp 2459161.180699478747
(2020-Nov-07.68069948)
0.027884 TDB
period 881.9507819805503
2.41
0.027955
7.654e-05
d
yr
n .4081860432070449 1.2938e-05 deg/d
Q 2.657076289163214 5.6148e-05 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      148 days  
   first obs. used      2018-04-11  
   last obs. used      2018-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .44194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-07 06:57:54  

Additional Information
 Earth MOID = .0182794 au 
 Jupiter MOID = 2.47612 au 
 T_jup = 3.915 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.5   n/a MPO450737  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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