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(2015 TL238)
Classification: Apollo [NEO]          SPK-ID: 3730729
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 2457312.5 (2015-Oct-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6061013540839064 0.0011754  
a 2.404069291568689 0.0070949 au
q .9469596386373688 3.1016e-05 au
i 12.88578665060693 0.017103 deg
node 210.9336650382411 0.0010444 deg
peri 219.1601628545142 0.003871 deg
M 349.9791369276606 0.048006 deg
tp 2457350.398456742344
(2015-Nov-23.89845674)
0.013788 TDB
period 1361.503927231969
3.73
6.0271
0.0165
d
yr
n .2644134862922538 0.0011705 deg/d
Q 3.861178944500008 0.011395 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      12 days  
   first obs. used      2015-10-14  
   last obs. used      2015-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .35261  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:14  

Additional Information
 Earth MOID = .0276573 au 
 Jupiter MOID = 1.5933 au 
 T_jup = 3.218 
[ 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 24.9   n/a E2015U62  
rotation period rot_per 0.0713 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

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