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JPL Small-Body Database Browser
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(2021 JC9)
Classification: Amor [NEO]          SPK-ID: 54145776
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273823881544082 0.00042077  
a 1.349895061237041 0.00077888 au
q 1.042952698455122 3.3782e-05 au
i 22.86339282937219 0.019977 deg
node 57.72481191845963 0.00026538 deg
peri 171.6842991603949 0.0087385 deg
M 32.09508360253947 0.033774 deg
tp 2459345.427813643667
(2021-May-10.92781364)
0.0095432 TDB
period 572.8599219733837
1.57
0.4958
0.001357
d
yr
n .6284258789825523 0.00054389 deg/d
Q 1.656837424018961 0.00095598 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      16 days  
   first obs. used      2021-05-13  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .58258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-31 06:00:28  

Additional Information
 Earth MOID = .0336274 au 
 Jupiter MOID = 3.33719 au 
 T_jup = 4.769 
[ 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 25.39   .3925 MPO622869 autocmod 2.9c

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