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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170239983955651 3.5988e-08  
a 2.444419850102348 1.1859e-08 au
q 2.028281854040049 9.1944e-08 au
i 1.882252976997394 5.7415e-06 deg
node 211.177681953952 0.00012624 deg
peri 226.0349364264214 0.00012792 deg
M 69.55094939099901 1.9054e-05 deg
tp 2458930.811336283728
(2020-Mar-22.31133628)
7.3441e-05 TDB
period 1395.92514247437
3.82
1.0158e-05
2.781e-08
d
yr
n .257893485149122 1.8767e-09 deg/d
Q 2.860557846164646 1.3878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      17339 days (47.47 yr)  
   first obs. used      1973-09-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:18  

Additional Information
 Earth MOID = 1.04372 au 
 Jupiter MOID = 2.39064 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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