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10865 Thelmaruby (1995 SO33)
Classification: Main-belt Asteroid          SPK-ID: 2010865
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049975980430648 4.4086e-08  
a 3.090105926568046 1.4578e-08 au
q 2.765652226579761 1.3968e-07 au
i .9747418285836132 4.3892e-06 deg
node 10.97159830465927 0.00019879 deg
peri 194.4421139579557 0.00019954 deg
M 329.8254662288898 1.8536e-05 deg
tp 2459166.801644976214
(2020-Nov-13.30164498)
0.00010244 TDB
period 1984.076792886746
5.43
1.404e-05
3.844e-08
d
yr
n .1814445898922166 1.284e-09 deg/d
Q 3.41455962655633 1.6109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2153  
   data-arc span      15785 days (43.22 yr)  
   first obs. used      1977-03-26  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:09:34  

Additional Information
 Earth MOID = 1.76154 au 
 Jupiter MOID = 1.54715 au 
 T_jup = 3.216 
[ 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 13.1   n/a MPO337350  
diameter diameter 11.966 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10865 Thelmaruby           Discovered 1995 Sept. 21 by Spacewatch at Kitt Peak.
Thelma Ruby is a British actress of international fame. One of her early accomplishments was to play Golda in the original theater version of Fiddler on the Roof.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1995 SO33 = 1977 FL2 = 1998 BN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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