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JPL Small-Body Database Browser
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(2018 CJ)
Classification: Apollo [NEO]          SPK-ID: 3798997
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5782970491237245 8.2614e-05  
a 1.846840146156478 0.00032015 au
q .7788179394309588 1.7609e-05 au
i 2.908870675458542 0.00041833 deg
node 309.0183845833636 0.00041958 deg
peri 268.8732432880735 0.00037128 deg
M 104.612281165879 0.11975 deg
tp 2459130.107153573036
(2020-Oct-07.60715357)
0.23568 TDB
period 916.7319902109836
2.51
0.23837
0.0006526
d
yr
n .3926992881716137 0.00010211 deg/d
Q 2.914862352881997 0.00050529 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      32 days  
   first obs. used      2018-01-14  
   last obs. used      2018-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .52403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:21:50  

Additional Information
 Earth MOID = .0195482 au 
 Jupiter MOID = 2.07544 au 
 T_jup = 3.788 
[ 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 23.5   n/a MPO435631  

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