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102230 (1999 TA18)
Classification: Main-belt Asteroid          SPK-ID: 2102230
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369747397336727 6.9424e-08  
a 2.854399594716474 3.3846e-08 au
q 2.463418953134284 2.0877e-07 au
i 1.16798724484884 7.1101e-06 deg
node 237.4579838913428 0.00036585 deg
peri 141.4392649781268 0.00036711 deg
M 138.1669954459431 2.9753e-05 deg
tp 2456724.459995053762
(2014-Mar-07.95999505)
0.00014245 JED
period 1761.451068651661
4.82
3.133e-05
8.578e-08
d
yr
n .2043769517115053 3.6351e-09 deg/d
Q 3.245380236298664 3.8483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      5588 days (15.30 yr)  
   first obs. used      1999-10-02  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59937  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 18:28:36  

Additional Information
 Earth MOID = 1.46398 au 
 Jupiter MOID = 2.21477 au 
 T_jup = 3.290 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO270556  

102230 (1999 TA18)          Discovered 1999-Oct-10 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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