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118031 (2330 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07065389067134147 7.7141e-08  
a 2.524595331783119 1.003e-08 au
q 2.346222849221936 1.9489e-07 au
i 4.514862767355455 5.2066e-06 deg
node 4.267473813914043 5.7561e-05 deg
peri 112.6105954570736 7.4849e-05 deg
M 127.4792352180111 4.4013e-05 deg
tp 2458481.672439930811
(2018-Dec-29.17243993)
0.00017912 TDB
period 1465.163493532778
4.01
8.7316e-06
2.391e-08
d
yr
n .2457063676436368 1.4643e-09 deg/d
Q 2.702967814344303 1.0739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      16632 days (45.54 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:41:18  

Additional Information
 Earth MOID = 1.36675 au 
 Jupiter MOID = 2.342 au 
 T_jup = 3.446 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO469221  

118031 (2330 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2330 T-2 = 1993 SN13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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