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JPL Small-Body Database Browser
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249699 (2000 EM143)
Classification: Main-belt Asteroid          SPK-ID: 2249699
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723131868282193 1.016e-07  
a 2.521207313841115 1.2429e-08 au
q 2.086770046938538 2.5811e-07 au
i 3.479885722190899 6.736e-06 deg
node 338.261717944406 0.00011901 deg
peri 36.4382126413786 0.00011977 deg
M 56.30727605141385 1.2936e-05 deg
tp 2458371.796252059230
(2018-Sep-10.29625206)
5.2286e-05 TDB
period 1462.215099581429
4.00
1.0812e-05
2.96e-08
d
yr
n .2462018071780636 1.8205e-09 deg/d
Q 2.955644580743692 1.457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6884 days (18.85 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:28:55  

Additional Information
 Earth MOID = 1.0879 au 
 Jupiter MOID = 2.51495 au 
 T_jup = 3.433 
[ 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 16.5   n/a MPO454852  
rotation period rot_per 7.507 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

249699 (2000 EM143)          Discovered 2000-Mar-03 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2000 EM143 = 2002 TG240 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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