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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549910290842284 3.1884e-08  
a 2.4015112742441 8.4718e-09 au
q 2.02929857049163 7.4097e-08 au
i .7265520248485287 4.431e-06 deg
node 349.2072915654268 0.00027073 deg
peri 264.0811354240242 0.00027117 deg
M 131.4775604338588 1.5637e-05 deg
tp 2458504.051151143162
(2019-Jan-20.55115114)
5.8511e-05 TDB
period 1359.331470698907
3.72
7.193e-06
1.969e-08
d
yr
n .2648360666695255 1.4014e-09 deg/d
Q 2.773723977996569 9.7849e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      15127 days (41.42 yr)  
   first obs. used      1978-07-09  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:18:17  

Additional Information
 Earth MOID = 1.0149 au 
 Jupiter MOID = 2.2673 au 
 T_jup = 3.509 
[ 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 15.0   n/a MPO279588  
rotation period rot_per 3.551 h n/a LCDB (Rev. 2019-August); 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. (2015) 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1980-Jul-01 10:03 < 00:01 David 0.00913293723222693 0.00913226729284005 0.00913360754795623 6.54159780322818 6.54159755036318 2444421.918567231 0.418632089318218 158.346511532079 26.7972158408508 82.6568328816406 50556.8483748731 T 20 CATAB v2.0f-lin.ifort 2020-Feb-22 18:18:34 2020-Feb-22 18:18
2150-Mar-31 01:03 < 00:01 Amphi 0.0212894142667324 0.0212886591540229 0.02129017251564 4.50291134403519 4.50291128406769 2506420.543676845 0.325632258074816 830.975062885739 32.8651874566953 -88.7245498962779 96840.6174787587 T 20 CATAB v2.0f-lin.ifort 2020-Feb-22 18:18:34 2020-Feb-22 18:18
2178-Jan-22 06:11 00:02 Hebe 0.0442459794643662 0.0442325629664348 0.0442593998960017 8.03733335456881 8.03733333708759 2516579.757355394 1.49904930832787 938.806627516511 33.4052102720916 -44.5856639385821 139159.624942106 T 20 CATAB v2.0f-lin.ifort 2020-Feb-22 18:18:34 2020-Feb-22 18:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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