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18634 Champigneulles (1998 EQ1)
Classification: Main-belt Asteroid          SPK-ID: 2018634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09206869061054113 3.7634e-08  
a 2.666722225815822 1.1308e-08 au
q 2.421200602262932 9.6556e-08 au
i 14.36962474801329 4.6897e-06 deg
node 188.4071002212034 1.4282e-05 deg
peri 306.8232168271059 2.9604e-05 deg
M 130.4307584134812 2.6576e-05 deg
tp 2458624.207965884470
(2019-May-20.70796588)
0.00011631 TDB
period 1590.615088075326
4.35
1.0117e-05
2.77e-08
d
yr
n .2263275400182497 1.4395e-09 deg/d
Q 2.912243849368712 1.2349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1378  
   data-arc span      13822 days (37.84 yr)  
   first obs. used      1982-10-12  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:33:53  

Additional Information
 Earth MOID = 1.45855 au 
 Jupiter MOID = 2.1394 au 
 T_jup = 3.332 
[ 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 14.37   n/a E2021B10  
diameter diameter 3.998 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18634 Champigneulles           Discovered 1998 Mar. 2 by the OCA-DLR Asteroid Survey at Caussols.
Champigneulles is a city in the Lorraine region of France. While the city has been known for its forges since the fourteenth century, it later became known mainly for its eponymously named brewery.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

Alternate Designations
 1998 EQ1 = 1999 NX51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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