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103031 (1999 XN115)
Classification: Main-belt Asteroid          SPK-ID: 2103031
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183096137767103 2.9719e-08  
a 2.578796947307552 1.0332e-08 au
q 2.273700476463036 7.6151e-08 au
i 3.564671202499862 3.9982e-06 deg
node 15.66767708780814 7.3947e-05 deg
peri 30.83572893071876 7.7793e-05 deg
M 43.4472097161045 2.3937e-05 deg
tp 2459017.949285333599
(2020-Jun-17.44928533)
0.00010037 TDB
period 1512.600180985725
4.14
9.09e-06
2.489e-08
d
yr
n .238000764858693 1.4303e-09 deg/d
Q 2.883893418152068 1.1554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      8692 days (23.80 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:06  

Additional Information
 Earth MOID = 1.28299 au 
 Jupiter MOID = 2.4783 au 
 T_jup = 3.413 
[ 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 15.8   n/a MPO406792  

103031 (1999 XN115)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XN115 = 2001 FF138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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