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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01597758260811123 9.5658e-08  
a 2.375787165150025 3.1989e-08 AU
q 2.33782782945955 2.2799e-07 AU
i 2.953651483665421 8.5992e-06 deg
node 127.689198205557 0.00022281 deg
peri 300.9180964327957 0.00043865 deg
M 173.4513118105456 0.00037597 deg
tp 2456356.056552108714
(2013-Mar-04.55655211)
0.0013972 JED
period 1337.54907252744
3.66
2.7014e-05
7.396e-08
d
yr
n .2691490034976751 5.4359e-09 deg/d
Q 2.4137465008405 3.25e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5644 days (15.45 yr)  
   first obs. used      1999-01-14  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 18:21:44  

Additional Information
 Earth MOID = 1.35226 AU 
 T_jup = 3.540 
[ 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 16.7 mag n/a MPO299842  

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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