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(2015 XT)
Classification: Apollo [NEO]          SPK-ID: 3735632
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5948435327491381 5.3144e-08  
a 2.110365436275141 3.0883e-08 au
q .85502820476956 1.0009e-07 au
i 9.088016052673686 1.6481e-05 deg
node 82.80506216445228 2.5249e-05 deg
peri 65.0462690606513 2.5115e-05 deg
M 146.2757113680771 7.1459e-06 deg
tp 2458545.507075611350
(2019-Mar-03.00707561)
1.4859e-05 TDB
period 1119.785720048536
3.07
2.4581e-05
6.73e-08
d
yr
n .3214900793558934 7.0571e-09 deg/d
Q 3.365702667780722 4.9254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      1243 days (3.40 yr)  
   first obs. used      2015-12-01  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-27 10:12:04  

Additional Information
 Earth MOID = .0383829 au 
 Jupiter MOID = 1.73564 au 
 T_jup = 3.477 
[ 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 22.6   n/a MPO438022  

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