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154229 (2002 JN97)
Classification: Apollo [NEO]          SPK-ID: 2154229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 118 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7184130210305926 3.8651e-08  
a 1.85108144934287 8.7292e-09 au
q .5212404331467708 7.2255e-08 au
i 10.08729876853732 4.8618e-06 deg
node 67.6469631358662 2.3221e-05 deg
peri 341.6397447469311 2.4548e-05 deg
M 93.37811636404028 1.0106e-05 deg
tp 2458761.895116570923
(2019-Oct-05.39511657)
2.4462e-05 TDB
period 919.8917410112473
2.52
6.5069e-06
1.781e-08
d
yr
n .3913503991287583 2.7683e-09 deg/d
Q 3.180922465538968 1.5e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      7327 days (20.06 yr)  
   first obs. used      2000-05-03  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-26 08:20:27  

Additional Information
 Earth MOID = .157722 au 
 Jupiter MOID = 2.22797 au 
 T_jup = 3.628 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO449830  

154229 (2002 JN97)          Discovered 2002-May-13 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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