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JPL Small-Body Database Browser
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(2014 SM261)
Classification: Amor [NEO]          SPK-ID: 3691589
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .233074162613175 9.3923e-08  
a 1.516078514974746 1.4712e-07 au
q 1.162719784641181 1.2865e-07 au
i 15.39745575096904 1.1295e-05 deg
node 37.60378405280814 1.1634e-05 deg
peri 331.29685073 7.4359e-05 deg
M 161.0505145809161 0.00015945 deg
tp 2458295.471385065407
(2018-Jun-25.97138507)
0.00025932 TDB
period 681.8376312686778
1.87
9.9249e-05
2.717e-07
d
yr
n .5279849387751703 7.6854e-08 deg/d
Q 1.869437245308312 1.8141e-07 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      833 days (2.28 yr)  
   first obs. used      2014-09-16  
   last obs. used      2016-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52401  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:38:23  

Additional Information
 Earth MOID = .185705 au 
 Jupiter MOID = 3.60207 au 
 T_jup = 4.444 
[ 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 21.1   n/a MPO322349  

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