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135917 (2002 TW147)
Classification: Main-belt Asteroid          SPK-ID: 2135917
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06579984650601957 4.8696e-08  
a 2.709789804999336 1.7822e-08 au
q 2.531486051766803 1.2705e-07 au
i 4.32646407877486 4.4498e-06 deg
node 254.0013196299497 7.2047e-05 deg
peri 79.76456825387989 8.2048e-05 deg
M 65.99894106521195 3.7854e-05 deg
tp 2458901.799258766510
(2020-Feb-22.29925877)
0.00017124 TDB
period 1629.302911660449
4.46
1.6074e-05
4.401e-08
d
yr
n .2209533889760978 2.1798e-09 deg/d
Q 2.88809355823187 1.8995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      8472 days (23.20 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:15:09  

Additional Information
 Earth MOID = 1.52362 au 
 Jupiter MOID = 2.34152 au 
 T_jup = 3.356 
[ 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 16.07   n/a E2021B55  

135917 (2002 TW147)          Discovered 2002-Oct-04 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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