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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156884730038892 6.9069e-08  
a 2.5604614259805 2.528e-08 au
q 2.264245553423456 1.762e-07 au
i 14.72623984202164 7.1552e-06 deg
node 89.38084865371962 2.2638e-05 deg
peri 21.65109628772645 3.4195e-05 deg
M 267.7211344105503 2.7823e-05 deg
tp 2457784.097289045134
(2017-Jan-30.59728904)
0.00011817 JED
period 1496.496767424901
4.10
2.2163e-05
6.068e-08
d
yr
n .2405618293579547 3.5626e-09 deg/d
Q 2.856677298537545 2.8204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      13133 days (35.96 yr)  
   first obs. used      1979-12-18  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53091  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:20:24  

Additional Information
 Earth MOID = 1.28623 au 
 Jupiter MOID = 2.32404 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
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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