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3667 Anne-Marie (1981 EF)
Classification: Main-belt Asteroid          SPK-ID: 2003667
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2321797817581545 5.401e-08  
a 3.081096046651148 2.9423e-08 au
q 2.365727838963772 1.6086e-07 au
i 16.24345401758317 8.4402e-06 deg
node .1192494107117629 2.0715e-05 deg
peri 74.0168401597021 2.8949e-05 deg
M 246.4985625998507 1.7011e-05 deg
tp 2458223.309377114140
(2018-Apr-14.80937711)
9.6135e-05 JED
period 1975.405606279974
5.41
2.8297e-05
7.747e-08
d
yr
n .1822410541184711 2.6105e-09 deg/d
Q 3.796464254338525 3.6255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      13056 days (35.75 yr)  
   first obs. used      1979-09-23  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51576  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:46:30  

Additional Information
 Earth MOID = 1.43731 au 
 Jupiter MOID = 1.9217 au 
 T_jup = 3.126 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1 mag n/a MPO263379  

3667 Anne-Marie (1981 EF)          Discovered 1981-Mar-09 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 EF = 1979 SC7 = 1985 YO 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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