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249291 (2008 TF73)
Classification: Main-belt Asteroid          SPK-ID: 2249291
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 .1407859042449403 6.1022e-08  
a 2.982942515353053 2.9678e-08 au
q 2.562986256018397 1.8179e-07 au
i 1.744384067053093 7.4054e-06 deg
node 348.1601122674119 0.00019747 deg
peri 59.5462818379284 0.0002013 deg
M 82.74292862206843 3.3868e-05 deg
tp 2458567.992004297906
(2019-Mar-25.49200430)
0.0001755 TDB
period 1881.766587739874
5.15
2.8083e-05
7.689e-08
d
yr
n .191309592988567 2.8551e-09 deg/d
Q 3.402898774687709 3.3856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      6829 days (18.70 yr)  
   first obs. used      2001-05-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:25  

Additional Information
 Earth MOID = 1.57342 au 
 Jupiter MOID = 1.97954 au 
 T_jup = 3.243 
[ 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 16.4   n/a MPO454847  

249291 (2008 TF73)          Discovered 2008-Oct-02 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 TF73 = 2003 WT34 = 2005 EX63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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