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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792393725687943 3.4014e-08  
a 3.087736607563699 1.414e-08 au
q 2.534292635366284 1.0213e-07 au
i 3.16698709103336 4.6355e-06 deg
node 31.18876267661659 6.7704e-05 deg
peri 100.4419192026129 6.9002e-05 deg
M 142.2903055113092 1.2912e-05 deg
tp 2458417.193720692979
(2018-Oct-25.69372069)
6.9279e-05 TDB
period 1981.795313020219
5.43
1.3613e-05
3.727e-08
d
yr
n .1816534723010152 1.2478e-09 deg/d
Q 3.641180579761114 1.6675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2501  
   data-arc span      16754 days (45.87 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-09-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45402  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:12:49  

Additional Information
 Earth MOID = 1.55115 au 
 Jupiter MOID = 1.4175 au 
 T_jup = 3.199 
[ 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 12.31   n/a E2021B10  
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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