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259157 (2002 XT115)
Classification: Main-belt Asteroid          SPK-ID: 2259157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01593592348994764 4.9335e-08  
a 2.717715468921329 1.9012e-08 au
q 2.674406163141151 1.3346e-07 au
i 2.426090751722862 4.4835e-06 deg
node 312.1767181170217 0.00012599 deg
peri 254.0833713520454 0.00020139 deg
M 254.5338013740208 0.00015937 deg
tp 2459479.918952202929
(2021-Sep-22.41895220)
0.00072454 TDB
period 1636.456277381563
4.48
1.7172e-05
4.701e-08
d
yr
n .2199875456349029 2.3085e-09 deg/d
Q 2.761024774701506 1.9315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6668 days (18.26 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50864  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 11:42:16  

Additional Information
 Earth MOID = 1.6692 au 
 Jupiter MOID = 2.20595 au 
 T_jup = 3.359 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO454930  

259157 (2002 XT115)          Discovered 2002-Dec-07 by Sloan Digital Sky Survey at Apache Point
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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