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146049 (2000 EK30)
Classification: Main-belt Asteroid          SPK-ID: 2146049
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910068670072421 4.8311e-08  
a 2.574836143973974 1.5956e-08 au
q 2.083024759056497 1.2677e-07 au
i 14.5144404161275 4.8063e-06 deg
node 8.172954279026916 1.3457e-05 deg
peri 315.8196365134301 1.7321e-05 deg
M 169.9593319534444 1.1122e-05 deg
tp 2458288.032043182945
(2018-Jun-18.53204318)
4.677e-05 TDB
period 1509.116689893777
4.13
1.4028e-05
3.841e-08
d
yr
n .2385501415568729 2.2174e-09 deg/d
Q 3.06664752889145 1.9003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      12554 days (34.37 yr)  
   first obs. used      1985-09-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:34:16  

Additional Information
 Earth MOID = 1.09756 au 
 Jupiter MOID = 2.39214 au 
 T_jup = 3.358 
[ 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 14.5   n/a MPO320578  
rotation period rot_per 3.743 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.]

146049 (2000 EK30)          Discovered 2000-Mar-05 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2000 EK30 = 1985 SK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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