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JPL Small-Body Database Browser
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114649 Jeanneacker (2003 EN52)
Classification: Outer Main-belt Asteroid          SPK-ID: 2114649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08093528599221382 4.9223e-08  
a 3.223878073781758 3.0132e-08 au
q 2.962952579876204 1.5585e-07 au
i 9.957390598629232 4.9741e-06 deg
node 89.98912073006684 2.7746e-05 deg
peri 249.0965934971528 4.1968e-05 deg
M 172.8035050916257 3.3796e-05 deg
tp 2457985.616045614682
(2017-Aug-20.11604561)
0.00019458 TDB
period 2114.298685000575
5.79
2.9642e-05
8.116e-08
d
yr
n .1702692257030383 2.3872e-09 deg/d
Q 3.484803567687312 3.2571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      7955 days (21.78 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 04:43:13  

Additional Information
 Earth MOID = 1.97213 au 
 Jupiter MOID = 1.83954 au 
 T_jup = 3.159 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO432656  
diameter diameter 6.514 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

114649 Jeanneacker           Discovered 2003 Mar. 6 by B. Christophe at Saint-Sulpice.
Jeanne Christophe (née Acker) is the discoverer's mother. She encouraged him in his youth to build his first telescope and enabled him to join the Societé Astronomique de France at the age of 12.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2003 EN52 = 2000 SS210 = 2001 WO86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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