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97257 (1999 XE115)
Classification: Inner Main-belt Asteroid          SPK-ID: 2097257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09971293985059421 6.9825e-08  
a 1.935308966038854 7.9448e-09 au
q 1.742333619515906 1.3659e-07 au
i 24.3626861570958 4.7445e-06 deg
node 77.47403994795869 1.0569e-05 deg
peri 106.7215427129565 3.274e-05 deg
M 145.3691494371977 2.6058e-05 deg
tp 2458603.405713427874
(2019-Apr-29.90571343)
7.1919e-05 TDB
period 983.3857026708696
2.69
6.0555e-06
1.658e-08
d
yr
n .3660821984926588 2.2543e-09 deg/d
Q 2.128284312561802 8.737e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      9195 days (25.17 yr)  
   first obs. used      1995-05-30  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:47:58  

Additional Information
 Earth MOID = .818884 au 
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO493543  

97257 (1999 XE115)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 1999 XE115 = 1995 KY1 = 2000 HN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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