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138868 (2000 XR15)
Classification: Mars-crossing Asteroid          SPK-ID: 2138868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060238678121654 1.9818e-07  
a 1.59774827935535 6.4531e-09 au
q 1.428348826987864 3.1612e-07 au
i 11.09760026953087 4.6916e-06 deg
node 330.8165036640551 1.4739e-05 deg
peri 340.3963443599861 9.9939e-05 deg
M 81.17910517691081 7.4077e-05 deg
tp 2459034.157691726766
(2020-Jul-03.65769173)
0.0001526 TDB
period 737.6680347469081
2.02
4.469e-06
1.224e-08
d
yr
n .4880243999233544 2.9566e-09 deg/d
Q 1.767147731722837 7.1373e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      9537 days (26.11 yr)  
   first obs. used      1994-12-01  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:28:15  

Additional Information
 Earth MOID = .417447 au 
 Jupiter MOID = 3.43959 au 
 T_jup = 4.338 
[ 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 17.26   n/a E2021B55  

138868 (2000 XR15)          Discovered 2000-Dec-05 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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