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102389 (1999 TM155)
Classification: Main-belt Asteroid          SPK-ID: 2102389
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639992980234673 3.8126e-08  
a 2.327360121330197 9.7846e-09 au
q 1.945674695184233 8.923e-08 au
i 7.269044980120378 3.2554e-06 deg
node 61.49694285869079 3.3887e-05 deg
peri 240.6778822246737 3.6173e-05 deg
M 54.39430393457838 1.1512e-05 deg
tp 2459004.550241525111
(2020-Jun-04.05024153)		 4.1834e-05 TDB
period 1296.862133502117
3.55		 8.1783e-06
2.239e-08		 d
yr
n .2775931154901073 1.7506e-09 deg/d
Q 2.709045547476161 1.1389e-08 au
   Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      8326 days (22.80 yr)  
   first obs. used      1998-03-25  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:18  

Additional Information
 Earth MOID = .940477 au 
 Jupiter MOID = 2.51573 au 
 T_jup = 3.545 
[ 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 15.92   n/a E2021B55  

102389 (1999 TM155)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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