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134969 (2001 EL1)
Classification: Main-belt Asteroid          SPK-ID: 2134969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1774118972929716 3.7048e-08  
a 2.254642996477472 1.0132e-08 au
q 1.854642504754092 8.4361e-08 au
i 6.789183864350424 4.0044e-06 deg
node 92.29286567485126 4.1477e-05 deg
peri 332.5617242830817 4.4152e-05 deg
M 316.664215144974 1.8432e-05 deg
tp 2459149.353575107111
(2020-Oct-26.85357511)
6.4002e-05 TDB
period 1236.559744281294
3.39
8.3352e-06
2.282e-08
d
yr
n .2911302924625264 1.9624e-09 deg/d
Q 2.654643488200851 1.1929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      7404 days (20.27 yr)  
   first obs. used      1998-03-04  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:56:57  

Additional Information
 Earth MOID = .871453 au 
 Jupiter MOID = 2.64508 au 
 T_jup = 3.594 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO338175  
rotation period rot_per 11.510 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.]

134969 (2001 EL1)          Discovered 2001-Mar-01 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2001 EL1 = 1998 EU7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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