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43964 (1997 EF23)
Classification: Main-belt Asteroid          SPK-ID: 2043964
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09282583005631875 4.8112e-08  
a 2.241759719210834 1.3944e-08 AU
q 2.033666512488269 1.0557e-07 AU
i 6.792488230873955 1.0458e-05 deg
node 331.8012687664733 4.3355e-05 deg
peri 80.24925484976862 7.5383e-05 deg
M 163.2610298643709 6.0774e-05 deg
tp 2456444.516312218122
(2013-Jun-01.01631222)
0.00020603 JED
period 1225.976142425134
3.36
1.1439e-05
3.132e-08
d
yr
n .2936435608672409 2.7398e-09 deg/d
Q 2.4498529259334 1.5239e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      7355 days (20.14 yr)  
   first obs. used      1994-04-07  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58273  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:51:25  

Additional Information
 Earth MOID = 1.0565 AU 
 T_jup = 3.619 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO296467  

43964 (1997 EF23)          Discovered 1997-Mar-07 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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