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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327468526100194 5.4236e-08  
a 3.079559027365801 2.9771e-08 AU
q 2.362801356319638 1.6154e-07 AU
i 16.24475372365018 8.595e-06 deg
node .1340744430558079 2.0891e-05 deg
peri 74.03265483443651 2.9872e-05 deg
M 137.0782264955727 1.7062e-05 deg
tp 2456248.881947896440
(2012-Nov-17.38194790)
9.2659e-05 JED
period 1973.927630045759
5.40
2.8623e-05
7.837e-08
d
yr
n .1823775069158207 2.6446e-09 deg/d
Q 3.796316698411964 3.67e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      12685 days (34.73 yr)  
   first obs. used      1979-09-23  
   last obs. used      2014-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52193  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:06:54  

Additional Information
 Earth MOID = 1.43559 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) (688)
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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