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(2002 JD9)
Classification: Apollo [NEO]          SPK-ID: 3125002
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4403046130884329 5.0107e-08  
a 1.05572672662085 1.4946e-09 au
q .5908853787289389 5.2255e-08 au
i 6.611950350386433 5.4748e-06 deg
node 208.2039620026804 3.6077e-05 deg
peri 139.0400605656411 4.1483e-05 deg
M 166.5390925395893 1.2916e-05 deg
tp 2458817.209737020114
(2019-Nov-29.70973702)
1.4066e-05 TDB
period 396.2102450934961
1.08
8.4138e-07
2.304e-09
d
yr
n .9086085088866105 1.9295e-09 deg/d
Q 1.520568074512761 2.1527e-09 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      6120 days (16.76 yr)  
   first obs. used      2002-05-05  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43262  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-11 07:07:29  

Additional Information
 Earth MOID = .0536967 au 
 Jupiter MOID = 3.91365 au 
 T_jup = 5.732 
[ 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 23.2   n/a E2016G28  

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