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156880 Bernardtregon (2003 ES1)
Classification: Main-belt Asteroid          SPK-ID: 2156880
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01563132945645913 6.7594e-08  
a 2.376040929942565 2.9153e-08 au
q 2.338900251364601 1.7382e-07 au
i 2.953601364247086 8.1723e-06 deg
node 127.6869701661748 0.00013577 deg
peri 300.8209154773397 0.00032711 deg
M 334.9873661628113 0.00030111 deg
tp 2457693.447182149037
(2016-Oct-31.94718215)
0.0011195 JED
period 1337.763379556753
3.66
2.462e-05
6.741e-08
d
yr
n .2691058863633121 4.9526e-09 deg/d
Q 2.413181608520529 2.9608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6117 days (16.75 yr)  
   first obs. used      1999-01-14  
   last obs. used      2015-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5806  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 20:43:29  

Additional Information
 Earth MOID = 1.35206 au 
 Jupiter MOID = 2.60156 au 
 T_jup = 3.539 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9 mag n/a MPO345255  

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 | Physical Parameters | Discovery Circumstances ]
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