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(2018 GC)
Classification: Apollo [NEO]          SPK-ID: 3802392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6955462631732068 0.00012023  
a 2.847673598485803 0.0010564 au
q .8669848683220037 2.0757e-05 au
i 23.09068379928846 0.0025116 deg
node 24.95395857091605 0.0015871 deg
peri 208.9757141195705 0.0014085 deg
M 153.3460958480133 0.085282 deg
tp 2458252.840316175495
(2018-May-14.34031618)
0.00023852 TDB
period 1755.228815499766
4.81
0.97669
0.002674
d
yr
n .2051014641629486 0.00011413 deg/d
Q 4.828362328649601 0.0017911 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      155 days  
   first obs. used      2018-04-04  
   last obs. used      2018-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .45013  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-07 06:57:53  

Additional Information
 Earth MOID = .076496 au 
 Jupiter MOID = .734957 au 
 T_jup = 2.805 
[ 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 20.8   n/a MPO457149  

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