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102331 (1999 TA112)
Classification: Main-belt Asteroid          SPK-ID: 2102331
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799506672336558 3.2332e-08  
a 2.248288344765339 7.8642e-09 au
q 1.843707356991164 7.1457e-08 au
i 3.836402544507462 3.4077e-06 deg
node 229.882863354465 6.0519e-05 deg
peri 52.5828595726965 6.1684e-05 deg
M 169.4278487672172 1.102e-05 deg
tp 2458620.992933190213
(2019-May-17.49293319)
3.8078e-05 TDB
period 1231.335613179845
3.37
6.4606e-06
1.769e-08
d
yr
n .2923654575947195 1.534e-09 deg/d
Q 2.652869332539513 9.2794e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      7850 days (21.49 yr)  
   first obs. used      1999-07-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:08  

Additional Information
 Earth MOID = .828499 au 
 Jupiter MOID = 2.48632 au 
 T_jup = 3.605 
[ 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 15.5   n/a MPO502729  

102331 (1999 TA112)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TA112 = 1999 SD14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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