Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 07:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin