Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
12305 (1991 TE1)
Classification: Main-belt Asteroid          SPK-ID: 2012305
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156033774349034 6.9072e-08  
a 2.56012544517533 2.5311e-08 au
q 2.264166297056026 1.7615e-07 au
i 14.72694769384652 7.1555e-06 deg
node 89.37576749492526 2.2637e-05 deg
peri 21.70778140949799 3.421e-05 deg
M 315.7799459044127 2.8149e-05 deg
tp 2457784.283731367987
(2017-Jan-30.78373137)
0.00011822 JED
period 1496.202224209347
4.10
2.2189e-05
6.075e-08
d
yr
n .2406091864956546 3.5683e-09 deg/d
Q 2.856084593294634 2.8237e-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 = 1.28484 au 
 Jupiter MOID = 2.32335 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 09:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin