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103145 (1999 XQ210)
Classification: Main-belt Asteroid          SPK-ID: 2103145
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06857591045478699 5.1928e-08  
a 2.804863593004992 1.8683e-08 au
q 2.61251751841319 1.4321e-07 au
i 10.51268294094123 6.1186e-06 deg
node 352.107772120376 2.4887e-05 deg
peri 75.31612194920538 5.2161e-05 deg
M 188.8668160359961 4.5467e-05 deg
tp 2460016.138607833680
(2023-Mar-12.63860783)		 0.00021925 TDB
period 1715.797556141343
4.70		 1.7143e-05
4.693e-08		 d
yr
n .2098149625586389 2.0964e-09 deg/d
Q 2.997209667596794 1.9964e-08 au
   Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      7936 days (21.73 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:27  

Additional Information
 Earth MOID = 1.6484 au 
 Jupiter MOID = 2.20445 au 
 T_jup = 3.295 
[ 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 15.05   n/a E2021B55  

103145 (1999 XQ210)          Discovered 1999-Dec-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 XQ210 = 2003 SG49 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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