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213107 (1999 XU125)
Classification: Main-belt Asteroid          SPK-ID: 2213107
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 .2658587551882121 4.4891e-08  
a 2.57339660132575 1.0926e-08 au
q 1.88923658429171 1.1335e-07 au
i 4.151796185601178 5.4854e-06 deg
node 294.99800117417 8.0294e-05 deg
peri 173.48364486 8.1597e-05 deg
M 9.111863092865619 1.2571e-05 deg
tp 2459162.335181929994
(2020-Nov-08.83518193)
5.2621e-05 TDB
period 1507.851288498793
4.13
9.6033e-06
2.629e-08
d
yr
n .2387503348280543 1.5206e-09 deg/d
Q 3.25755661835979 1.3831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      7822 days (21.42 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:17  

Additional Information
 Earth MOID = .905925 au 
 Jupiter MOID = 1.88628 au 
 T_jup = 3.374 
[ 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 16.08   n/a MPCxxxxx  

213107 (1999 XU125)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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