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JPL Small-Body Database Browser
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156880 Bernardtregon (2003 ES1)
Classification: Main-belt Asteroid          SPK-ID: 2156880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01575125854598029 4.4093e-08  
a 2.375727628109663 1.7759e-08 au
q 2.338306928004479 1.0967e-07 au
i 2.954308832527651 5.144e-06 deg
node 127.640717707205 9.5447e-05 deg
peri 304.7439830535089 0.00021718 deg
M 240.1586758927096 0.00019847 deg
tp 2459045.743407023234
(2020-Jul-15.24340702)
0.00073916 TDB
period 1337.498794529869
3.66
1.4997e-05
4.106e-08
d
yr
n .2691591210940418 3.018e-09 deg/d
Q 2.413148328214846 1.8038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-01-14  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:14:34  

Additional Information
 Earth MOID = 1.35345 au 
 Jupiter MOID = 2.59816 au 
 T_jup = 3.540 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO454026  

156880 Bernardtregon           Discovered 2003 Mar. 4 at the Saint-Véran Observatory.
French amateur astronomer Bernard Tregon (b. 1968), from Bretagne, is a friend of Michel Hernandez, one of the discoverers of this minor planet. Tregon, who specialises in interferometry, often uses the amateur telescope at Pic du Midi.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

Alternate Designations
 2003 ES1 = 2001 SE251 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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