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266659 (2008 TR181)
Classification: Main-belt Asteroid          SPK-ID: 2266659
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257644436575441 5.386e-08  
a 3.134016938149835 3.4684e-08 au
q 2.739869041510101 1.6354e-07 au
i 1.493961503305989 6.285e-06 deg
node 169.4877889341114 0.00019783 deg
peri 40.97444777030022 0.00019914 deg
M 209.9781551677458 2.4577e-05 deg
tp 2459845.005411483196
(2022-Sep-22.50541148)
0.00014582 TDB
period 2026.517861274738
5.55
3.3641e-05
9.21e-08
d
yr
n .1776446222751521 2.949e-09 deg/d
Q 3.528164834789569 3.9046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-02-12  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:19  

Additional Information
 Earth MOID = 1.73467 au 
 Jupiter MOID = 1.43425 au 
 T_jup = 3.200 
[ 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 16.1   n/a MPO454982  

266659 (2008 TR181)          Discovered 2008-Oct-01 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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