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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775463265894604 3.6638e-08  
a 2.254991791973647 7.3171e-09 au
q 1.854626282819341 8.2524e-08 au
i 6.789059935496558 3.9659e-06 deg
node 92.2937124564824 3.7258e-05 deg
peri 332.5618291777918 3.9163e-05 deg
M 14.88731846619097 1.2693e-05 deg
tp 2459149.351859083004
(2020-Oct-26.85185908)
4.3515e-05 TDB
period 1236.846700897498
3.39
6.02e-06
1.648e-08
d
yr
n .2910627483088825 1.4167e-09 deg/d
Q 2.655357301127953 8.6162e-09 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1998-03-04  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:01:16  

Additional Information
 Earth MOID = .870862 au 
 Jupiter MOID = 2.64485 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. 2020-October); 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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