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2761 Eddington (1981 AE)
Classification: Main-belt Asteroid          SPK-ID: 2002761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800991942754814 3.4565e-08  
a 3.083824932998017 1.4457e-08 au
q 2.528430547278434 1.0447e-07 au
i 3.169454484260775 4.7694e-06 deg
node 31.27138463754379 6.8616e-05 deg
peri 100.0061809302841 6.9956e-05 deg
M 106.2985218715871 1.2959e-05 deg
tp 2458416.439649490113
(2018-Oct-24.93964949)
7.0081e-05 TDB
period 1978.030573534823
5.42
1.391e-05
3.808e-08
d
yr
n .1819992091207493 1.2799e-09 deg/d
Q 3.639219318717601 1.7061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2380  
   data-arc span      16654 days (45.60 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:49:26  

Additional Information
 Earth MOID = 1.54544 au 
 Jupiter MOID = 1.42132 au 
 T_jup = 3.200 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO473803  
diameter diameter 15.894 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2761 Eddington (1981 AE)          Discovered 1981-Jan-01 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 AE = 1970 AW = 1974 VZ = 1976 GU4 = 1979 TT1 = 1979 US1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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