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118011 (1289 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118011
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701881703113201 3.7674e-08  
a 2.444496057898656 1.2624e-08 au
q 2.028471746471649 9.6764e-08 au
i 1.882207878668308 5.9224e-06 deg
node 211.1856063945979 0.00013735 deg
peri 226.0614643454501 0.00013896 deg
M 17.95011165934996 1.969e-05 deg
tp 2458930.893933446064
(2020-Mar-22.39393345)
7.6243e-05 TDB
period 1395.990422508841
3.82
1.0814e-05
2.961e-08
d
yr
n .2578814253990487 1.9976e-09 deg/d
Q 2.860520369325663 1.4772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      16866 days (46.18 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:04:00  

Additional Information
 Earth MOID = 1.04435 au 
 Jupiter MOID = 2.3903 au 
 T_jup = 3.479 
[ 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 16.7   n/a MPO502792  

118011 (1289 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
 1289 T-2 = 1985 XQ2 = 2000 UE36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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