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102295 (1999 TM81)
Classification: Main-belt Asteroid          SPK-ID: 2102295
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327437850360673 4.9323e-08  
a 2.456028078116293 1.0979e-08 au
q 2.130005614872279 1.1591e-07 au
i 5.921608654201564 4.781e-06 deg
node 347.3051954731675 4.4659e-05 deg
peri 88.60603566603348 4.9473e-05 deg
M 122.460936194741 2.134e-05 deg
tp 2458722.262648488774
(2019-Aug-26.76264849)
8.1922e-05 TDB
period 1405.880535408115
3.85
9.4273e-06
2.581e-08
d
yr
n .2560672766519917 1.7171e-09 deg/d
Q 2.782050541360308 1.2437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:33:17  

Additional Information
 Earth MOID = 1.15445 au 
 Jupiter MOID = 2.46243 au 
 T_jup = 3.473 
[ 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 16.15   n/a E2021B55  

102295 (1999 TM81)          Discovered 1999-Oct-12 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TM81 = 2001 ED20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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