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(2015 SO2)
Classification: Aten [NEO]          SPK-ID: 3728565
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108788787885006 7.6501e-07  
a .9952201983803189 3.355e-08 au
q .8869513993198488 7.3316e-07 au
i 9.164376031851916 7.6236e-05 deg
node 182.7481376527413 2.2157e-05 deg
peri 291.5973881844167 4.3735e-05 deg
M 154.411216886632 5.7703e-05 deg
tp 2458844.955899382626
(2019-Dec-27.45589938)
5.9785e-05 TDB
period 362.6412468685263
0.99
1.8338e-05
5.021e-08
d
yr
n .9927166396781009 5.0199e-08 deg/d
Q 1.103488997440789 3.72e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      1079 days (2.95 yr)  
   first obs. used      2015-09-21  
   last obs. used      2018-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .45537  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-05 06:53:58  

Additional Information
 Earth MOID = .0194487 au 
 Jupiter MOID = 3.92405 au 
 T_jup = 6.087 
[ 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 23.9   n/a E2015T31  
rotation period rot_per 0.58 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.]

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