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JPL Small-Body Database Browser
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(2015 SR)
Classification: Apollo [NEO]          SPK-ID: 3728372
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2457285.5 (2015-Sep-20.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5612097838424112 0.0017327  
a 1.912085753688679 0.0067065 au
q .8390045211729015 0.00037065 au
i 3.462280488822004 0.010439 deg
node 350.4300339321605 0.0067269 deg
peri 71.84296985821875 0.011297 deg
M 340.8535844143638 0.1114 deg
tp 2457336.862299153594
(2015-Nov-10.36229915)
0.028672 TDB
period 965.7383447356824
2.64
5.0809
0.01391
d
yr
n .3727717781554279 0.0019612 deg/d
Q 2.985166986204456 0.01047 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      5 days  
   first obs. used      2015-09-18  
   last obs. used      2015-09-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .31829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:40:56  

Additional Information
 Earth MOID = .015532 au 
 Jupiter MOID = 2.39354 au 
 T_jup = 3.723 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.002338100690656E-6 -6.418148122775872E-7 -4.954008386544424E-5 -1.165284511701171E-5 1.885284083216698E-5 1.805892868095893E-5
q -6.418148122775872E-7 1.373836601022397E-7 1.056136926198883E-5 2.492081628072474E-6 -4.071111733410825E-6 -3.868226172670216E-6
tp -4.954008386544424E-5 1.056136926198883E-5 .0008220721676847976 .0001921111887528625 -.0003045466184898196 -.0002967291519387341
node -1.165284511701171E-5 2.492081628072474E-6 .0001921111887528625 4.52515334997281E-5 -7.342486065780388E-5 -7.012131124433438E-5
peri 1.885284083216698E-5 -4.071111733410825E-6 -.0003045466184898196 -7.342486065780388E-5 .0001276312924362954 .0001151420770691242
i 1.805892868095893E-5 -3.868226172670216E-6 -.0002967291519387341 -7.012131124433438E-5 .0001151420770691242 .0001089795411484117

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 24.5   n/a MPO347500  

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