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12305 (1991 TE1)
Classification: Main-belt Asteroid          SPK-ID: 2012305
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158154579786238 7.5839e-08  
a 2.560477217699852 2.6105e-08 AU
q 2.263934376088111 1.9158e-07 AU
i 14.72789574794145 7.6823e-06 deg
node 89.39019593528744 2.313e-05 deg
peri 21.56091628376338 3.5079e-05 deg
M 171.6041113249975 2.7481e-05 deg
tp 2456287.146184287111
(2012-Dec-25.64618429)
0.00011108 JED
period 1496.510611976411
4.10
2.2886e-05
6.266e-08
d
yr
n .2405596038671289 3.6789e-09 deg/d
Q 2.857020059311593 2.9128e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      12666 days (34.68 yr)  
   first obs. used      1979-12-18  
   last obs. used      2014-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5224  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:59:54  

Additional Information
 Earth MOID = 1.28596 AU 
 T_jup = 3.380 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO263459  

12305 (1991 TE1)          Discovered 1991-Oct-12 by McNaught, R. H. at Siding Spring (413)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TE1 = 1979 YN5 = 1997 BT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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