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10978 Barbchen (4095 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2010978
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352230190692423 5.9999e-08  
a 3.085897435002142 3.2807e-08 AU
q 2.668613067303121 1.9848e-07 AU
i 15.53040961954593 7.7669e-06 deg
node 178.0296287534335 2.3958e-05 deg
peri 109.0733771608569 3.9776e-05 deg
M 278.407576083753 3.2165e-05 deg
tp 2457449.263981471942
(2016-Mar-01.76398147)
0.00017874 JED
period 1980.024928487627
5.42
3.1575e-05
8.645e-08
d
yr
n .1818158927296807 2.8994e-09 deg/d
Q 3.503181802701162 3.7243e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      15243 days (41.73 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:05:49  

Additional Information
 Earth MOID = 1.70348 AU 
 T_jup = 3.157 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO337351  

10978 Bärbchen           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Bärbchen was the pet name of Barbara Börngen (1934-2010) who always supported the activities of her husband at the Tautenburg Observatory. The name was suggested by F. Börngen and L. D. Schmadel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111012/MPCPages.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 4095 T-2 = 1993 FX32 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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