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393749 (2005 EL167)
Classification: Main-belt Asteroid          SPK-ID: 2393749
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757393157524433 1.0697e-07  
a 2.649903967917347 2.8473e-08 au
q 2.184211657785867 2.9362e-07 au
i 1.952953776963345 1.699e-05 deg
node 204.2376685185656 0.00015205 deg
peri 239.7814461373601 0.00016504 deg
M 262.6364547207756 5.7076e-05 deg
tp 2459426.625485145063
(2021-Jul-31.12548515)
0.00025201 TDB
period 1575.591503085465
4.31
2.5395e-05
6.953e-08
d
yr
n .2284856190802093 3.6826e-09 deg/d
Q 3.115596278048826 3.3477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5286 days (14.47 yr)  
   first obs. used      2003-09-29  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:43:55  

Additional Information
 Earth MOID = 1.20107 au 
 Jupiter MOID = 2.11518 au 
 T_jup = 3.368 
[ 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 17.7   n/a MPO440699  
rotation period rot_per 1.33 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

393749 (2005 EL167)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-05-15

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