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(2018 RC4)
Classification: Amor [NEO]          SPK-ID: 3827433
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5972228148365268 0.00072474  
a 2.5389449437365 0.0046221 au
q 1.02262909772322 2.1589e-05 au
i 3.882970128216924 0.003293 deg
node 351.9166548477556 0.00049991 deg
peri 11.61618780310001 0.0016169 deg
M 149.7278683106203 0.40814 deg
tp 2458385.919901386089
(2018-Sep-24.41990139)
0.0029429 TDB
period 1477.67304775897
4.05
4.0351
0.01105
d
yr
n .2436262883362282 0.00066527 deg/d
Q 4.055260789749781 0.0073824 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      8 days  
   first obs. used      2018-09-10  
   last obs. used      2018-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39003  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-19 07:00:23  

Additional Information
 Earth MOID = .0222207 au 
 Jupiter MOID = 1.41371 au 
 T_jup = 3.167 
[ 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 25.9   .49138 MPO452104 autocmod 2.6n

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