Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725618070690172 9.652e-08  
a 2.520566405602298 1.1949e-08 au
q 2.085612911814108 2.4439e-07 au
i 3.480642812190064 6.2307e-06 deg
node 338.2565410196958 0.00010076 deg
peri 36.37128477294649 0.00010158 deg
M 154.8639950802043 1.2365e-05 deg
tp 2458371.727411493911
(2018-Sep-10.22741149)
4.8856e-05 TDB
period 1461.657577314603
4.00
1.0394e-05
2.846e-08
d
yr
n .246295716306826 1.7514e-09 deg/d
Q 2.955519899390488 1.4011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7276 days (19.92 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:26:29  

Additional Information
 Earth MOID = 1.08753 au 
 Jupiter MOID = 2.51833 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 16.6   n/a MPO470664  
rotation period rot_per 7.507 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.]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 20:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin