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30935 Davasobel (1994 AK1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2030935
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177374898082978 9.5516e-08  
a 1.903472799113483 7.483e-09 AU
q 1.679362689827487 1.8379e-07 AU
i 27.81658208398552 1.2639e-05 deg
node 294.1599380008121 1.4854e-05 deg
peri 230.7442356750826 5.2359e-05 deg
M 298.5414991708255 5.1535e-05 deg
tp 2457164.256256198435
(2015-May-21.75625620)
0.00013752 JED
period 959.2204729382505
2.63
5.6564e-06
1.549e-08
d
yr
n .3753047502179146 2.2131e-09 deg/d
Q 2.127582908399479 8.364e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      7678 days (21.02 yr)  
   first obs. used      1994-01-08  
   last obs. used      2015-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49478  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:24:11  

Additional Information
 Earth MOID = .745384 AU 
 T_jup = 3.796 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO313658  
rotation period rot_per 3.9769 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2015) http://www.minorplanetobserver.com/PDO/PDOLig htcurves.htm]

30935 Davasobel           Discovered 1994 Jan. 8 by C. S. Shoemaker and D. H. Levy at Palomar.
Dava Sobel (b. 1947) is an author whose books have inspired a serious interest in the history of science among her millions of readers. Her most famous books---Longitude, Galileo's Daughter and The Planets---provide new insights into the most important historical issues in the evolution of scientific thought.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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