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43539 (2001 EF12)
Classification: Main-belt Asteroid          SPK-ID: 2043539
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08583097967671831 5.5193e-08  
a 2.590672620654816 1.2452e-08 au
q 2.368312651602362 1.4084e-07 au
i 14.38320773788598 3.7517e-06 deg
node 21.47022854589907 1.4125e-05 deg
peri 314.2794497777692 2.3416e-05 deg
M 128.2477458839199 1.893e-05 deg
tp 2458657.919139908229
(2019-Jun-23.41913991)
8.0097e-05 TDB
period 1523.060762485717
4.17
1.098e-05
3.006e-08
d
yr
n .2363661443240522 1.7041e-09 deg/d
Q 2.813032589707269 1.352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1650  
   data-arc span      9637 days (26.38 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:06  

Additional Information
 Earth MOID = 1.38115 au 
 Jupiter MOID = 2.52109 au 
 T_jup = 3.370 
[ 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 14.32   n/a E2021B10  

43539 (2001 EF12)          Discovered 2001-Mar-03 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 EF12 = 2000 BZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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