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118009 (1271 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118009
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941534467619488 5.0005e-08  
a 2.418811599218861 8.7591e-09 au
q 1.949190990162737 1.2193e-07 au
i .471629074013556 4.816e-06 deg
node 255.4761143108171 0.00066865 deg
peri 92.96953263812613 0.00066877 deg
M 157.2769509849403 1.3073e-05 deg
tp 2458400.205905174532
(2018-Oct-08.70590517)
4.8659e-05 TDB
period 1374.046691418001
3.76
7.4636e-06
2.043e-08
d
yr
n .2619998303176174 1.4231e-09 deg/d
Q 2.888432208274984 1.046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      16937 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:46  

Additional Information
 Earth MOID = .94276 au 
 Jupiter MOID = 2.53478 au 
 T_jup = 3.489 
[ 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 16.3   n/a MPO359565  

118009 (1271 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
 1271 T-2 = 2002 GF92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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