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(2015 XF261)
Classification: Aten [NEO]          SPK-ID: 3736497
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3192895757723265 1.4173e-06  
a .9903175462164197 5.3285e-08 au
q .6741194770050878 1.4396e-06 au
i .7932095317021591 5.0674e-06 deg
node 209.9509245386405 0.0003424 deg
peri 100.8171728716861 0.00034406 deg
M 285.2106127649656 4.3149e-05 deg
tp 2459075.282092282149
(2020-Aug-13.78209228)
4.8346e-05 TDB
period 359.9648856189921
0.99
2.9052e-05
7.954e-08
d
yr
n 1.000097549462214 8.0717e-08 deg/d
Q 1.306515615427752 7.0298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      1498 days (4.10 yr)  
   first obs. used      2015-12-08  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 05:02:02  

Additional Information
 Earth MOID = .0023799 au 
 Jupiter MOID = 3.93849 au 
 T_jup = 6.081 
[ 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 25.0   n/a MPO369296  

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