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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352230501248906 6.9466e-08  
a 3.085897459114633 4.1636e-08 AU
q 2.668612992320502 2.1629e-07 AU
i 15.5304074550811 8.4235e-06 deg
node 178.0296375800738 2.7636e-05 deg
peri 109.073382324178 4.3512e-05 deg
M 278.4075552007998 3.7997e-05 deg
tp 2457449.264101589439
(2016-Mar-01.76410159)
0.00021354 JED
period 1980.024951694814
5.42
4.0072e-05
1.097e-07
d
yr
n .1818158905986795 3.6796e-09 deg/d
Q 3.503181925908763 4.7266e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      14797 days (40.51 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61706  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:58:12  

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 14.3 mag n/a MPO290553  

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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