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JPL Small-Body Database Browser
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117599 (2005 EL69)
Classification: Main-belt Asteroid          SPK-ID: 2117599
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534218946177336 4.3364e-08  
a 2.432118445877389 1.3501e-08 au
q 2.058978225976142 1.0431e-07 au
i 1.977683267678128 4.6176e-06 deg
node 228.1588516113759 0.00015841 deg
peri 17.64267745030389 0.00015941 deg
M 209.673317332459 1.972e-05 deg
tp 2459179.007617934561
(2020-Nov-25.50761793)
7.7066e-05 TDB
period 1385.401039661276
3.79
1.1536e-05
3.158e-08
d
yr
n .2598525551042017 2.1637e-09 deg/d
Q 2.805258665778636 1.5572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1997-02-15  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:02:17  

Additional Information
 Earth MOID = 1.04549 au 
 Jupiter MOID = 2.21534 au 
 T_jup = 3.490 
[ 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 16.2   n/a MPO417612  
rotation period rot_per 7.11 h n/a LCDB (Rev. 2019-January); 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.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

117599 (2005 EL69)          Discovered 2005-Mar-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EL69 = 1998 MF40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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