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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108815354622393 7.6497e-07  
a .9948595408212778 3.4152e-08 au
q .8866035470873393 7.3232e-07 au
i 9.165577899670055 7.624e-05 deg
node 182.7299701266271 2.2226e-05 deg
peri 291.6981626486312 4.3586e-05 deg
M 187.5895693684675 5.8275e-05 deg
tp 2459570.080972239725
(2021-Dec-21.58097224)
6.1034e-05 TDB
period 362.4441385443199
0.99
1.8663e-05
5.11e-08
d
yr
n .9932565096675691 5.1145e-08 deg/d
Q 1.103115534555216 3.7868e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .45061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:41:02  

Additional Information
 Earth MOID = .0185879 au 
 Jupiter MOID = 3.92272 au 
 T_jup = 6.088 
[ 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. 2020-October); 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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