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(2021 JC1)
Classification: Apollo [NEO]          SPK-ID: 54143418
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.


Orbital Elements at Epoch 2459340.5 (2021-May-06.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7531254489452056 0.0020651  
a 2.509781161576162 0.018334 au
q .6196010975098952 0.00065697 au
i 6.751994958338945 0.0178 deg
node 228.5794677518891 0.0054393 deg
peri 85.61586181450868 0.0061456 deg
M 347.0723090444842 0.15608 deg
tp 2459392.651964249343
(2021-Jun-27.15196425)
0.058196 TDB
period 1452.286196689513
3.98
15.913
0.04357
d
yr
n .2478850248805092 0.0027161 deg/d
Q 4.399961225642429 0.032141 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      9 days  
   first obs. used      2021-05-03  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .37988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-12 05:52:55  

Additional Information
 Earth MOID = .00277006 au 
 Jupiter MOID = 1.11948 au 
 T_jup = 2.981 
[ 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 24.403   .39139 8 autocmod 2.9c

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