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(2015 JR)
Classification: Apollo [NEO]          SPK-ID: 3719150
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5393827935791575 0.00067583  
a 2.107578348474251 0.0029994 au
q .9707868511872622 4.2796e-05 au
i 7.803012786314659 0.0077256 deg
node 228.6150494503151 0.0065558 deg
peri 32.12498219596683 0.0042525 deg
M 226.9603757811854 1.2733 deg
tp 2459413.502355048386
(2021-Jul-18.00235505)
4.8345 TDB
period 1117.568158287028
3.06
2.3857
0.006532
d
yr
n .3221280038541865 0.00068765 deg/d
Q 3.244369845761239 0.0046172 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      3 days  
   first obs. used      2015-05-10  
   last obs. used      2015-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35323  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:33:50  

Additional Information
 Earth MOID = .00896958 au 
 Jupiter MOID = 1.86179 au 
 T_jup = 3.531 
[ 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 26.3   n/a MPO337171  

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