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103200 (1999 XL249)
Classification: Main-belt Asteroid          SPK-ID: 2103200
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306809525097625 9.5056e-08  
a 2.529742889314467 1.1219e-08 au
q 2.199153678934054 2.4376e-07 au
i 6.436258113043859 3.7603e-06 deg
node 150.8856674373865 8.2088e-05 deg
peri 288.4322652100787 8.8688e-05 deg
M 74.90540731702927 3.266e-05 deg
tp 2458894.709723359072
(2020-Feb-15.20972336)		 0.00013277 TDB
period 1469.646899119218
4.02		 9.7768e-06
2.677e-08		 d
yr
n .2449567989533768 1.6296e-09 deg/d
Q 2.86033209969488 1.2686e-08 au
   Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      10629 days (29.10 yr)  
   first obs. used      1991-12-08  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:39  

Additional Information
 Earth MOID = 1.22452 au 
 Jupiter MOID = 2.37016 au 
 T_jup = 3.431 
[ 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 16.0   n/a MPO264068  

103200 (1999 XL249)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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