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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07014563320354351 7.5034e-08  
a 2.526165967691225 9.8698e-09 au
q 2.348966456310282 1.8933e-07 au
i 4.514979003944324 5.0515e-06 deg
node 4.222004957614671 5.7301e-05 deg
peri 113.070672066019 7.3708e-05 deg
M 176.1532974499922 4.268e-05 deg
tp 2458482.904802661110
(2018-Dec-30.40480266)
0.00017379 TDB
period 1466.530997612114
4.02
8.5946e-06
2.353e-08
d
yr
n .2454772525000642 1.4386e-09 deg/d
Q 2.703365479072168 1.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      17098 days (46.81 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:23  

Additional Information
 Earth MOID = 1.36932 au 
 Jupiter MOID = 2.3395 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 15.06   n/a E2021B55  

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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