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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09282943209699923 5.4611e-08  
a 2.241938847774789 1.497e-08 AU
q 2.033820937739655 1.1967e-07 AU
i 6.792420181111333 1.0602e-05 deg
node 331.8012533708466 4.7648e-05 deg
peri 80.32454558783311 7.8901e-05 deg
M 104.449842031811 6.1433e-05 deg
tp 2456444.754547509959
(2013-Jun-01.25454751)
0.00020866 JED
period 1226.123088414156
3.36
1.2281e-05
3.362e-08
d
yr
n .2936083688511379 2.9408e-09 deg/d
Q 2.450056757809923 1.636e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      7300 days (19.99 yr)  
   first obs. used      1994-04-07  
   last obs. used      2014-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57621  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:46:34  

Additional Information
 Earth MOID = 1.05585 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 14.4 mag n/a MPO247703  

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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