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118012 (1313 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118012
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777323838178515 7.5601e-08  
a 2.630458538073842 1.0542e-08 au
q 2.162940871567958 1.9877e-07 au
i 9.467289374115115 7.4808e-06 deg
node 357.3437411340771 2.7437e-05 deg
peri 30.43472701689283 3.4844e-05 deg
M 8.639294252079047 1.6016e-05 deg
tp 2459163.104324425379
(2020-Nov-09.60432443)
6.9356e-05 TDB
period 1558.280435189913
4.27
9.3673e-06
2.565e-08
d
yr
n .2310238849633799 1.3888e-09 deg/d
Q 3.097976204579727 1.2415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      17280 days (47.31 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:18  

Additional Information
 Earth MOID = 1.17105 au 
 Jupiter MOID = 2.39514 au 
 T_jup = 3.358 
[ 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 16.28   n/a E2021B55  

118012 (1313 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1313 T-2 = 2003 UG167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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