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7007 Timjull (1981 EK34)
Classification: Main-belt Asteroid          SPK-ID: 2007007
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547735725931125 4.9249e-08  
a 2.402078906903646 1.5313e-08 au
q 2.03030057283161 1.1836e-07 au
i .726871200626389 5.7969e-06 deg
node 349.3043114169889 0.00041241 deg
peri 264.184138367242 0.00041284 deg
M 120.5529610322858 2.2191e-05 deg
tp 2457145.140173886674
(2015-May-02.64017389)
8.2311e-05 JED
period 1359.813446281877
3.72
1.3003e-05
3.56e-08
d
yr
n .2647421975303627 2.5316e-09 deg/d
Q 2.773857240975682 1.7683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      13490 days (36.93 yr)  
   first obs. used      1978-07-09  
   last obs. used      2015-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56457  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:55:45  

Additional Information
 Earth MOID = 1.01572 au 
 Jupiter MOID = 2.26398 au 
 T_jup = 3.509 
[ 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 15.0 mag n/a MPO279588  
rotation period rot_per 3.5513 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

7007 Timjull           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
A. J. Timothy Jull (b. 1951) is a senior research scientist at the University of Arizona. In addition to running a world-class laboratory for the measurement of terrestrial ages of meteorites, he is the editor of the journal Meteoritics and Planetary Science.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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