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117605 (2005 EF86)
Classification: Main-belt Asteroid          SPK-ID: 2117605
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504957728327926 4.2421e-08  
a 2.303405058980111 1.4602e-08 au
q 1.956752334481935 1.0056e-07 au
i 5.352171619123586 5.4285e-06 deg
node 129.5597655842526 5.8093e-05 deg
peri 141.8995969251113 6.5313e-05 deg
M 46.9440185319396 3.4622e-05 deg
tp 2458833.993318930653
(2019-Dec-16.49331893)
0.00012213 TDB
period 1276.891221917476
3.50
1.2142e-05
3.324e-08
d
yr
n .2819347441823564 2.6809e-09 deg/d
Q 2.650057783478287 1.68e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:55  

Additional Information
 Earth MOID = .943775 au 
 Jupiter MOID = 2.4536 au 
 T_jup = 3.569 
[ 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 16.0   n/a MPO432680  
rotation period rot_per 6.540 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

117605 (2005 EF86)          Discovered 2005-Mar-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EF86 = 1998 FW92 = 1999 TX231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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