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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800991949860974 3.4081e-08  
a 3.083824932839326 1.439e-08 au
q 2.528430544956908 1.0274e-07 au
i 3.169453214198647 4.6552e-06 deg
node 31.27139693258692 6.7825e-05 deg
peri 100.0061690239138 6.9104e-05 deg
M 106.2985216332312 1.279e-05 deg
tp 2458416.439650844849
(2018-Oct-24.93965084)
6.9074e-05 TDB
period 1978.030573382141
5.42
1.3845e-05
3.791e-08
d
yr
n .1819992091347976 1.2739e-09 deg/d
Q 3.639219320721744 1.6982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2473  
   data-arc span      16754 days (45.87 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:19  

Additional Information
 Earth MOID = 1.54544 au 
 Jupiter MOID = 1.42132 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456461.5 (2013-Jun-18.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816901900159389 3.3959e-08  
q 2.52109790097876 1.028e-07 au
tp 2456437.635147737953
(2013-May-25.13514774)
6.6288e-05 TDB
node 31.31624481151847 6.7769e-05 deg
peri 99.41259427253858 6.9031e-05 deg
i 3.172274416271059 4.6584e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2473  
   data-arc span      16754 days (45.87 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:06:19  

Additional Information
 Jupiter MOID = 1.42132 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.153193284298977E-15 -3.468338429409438E-15 4.921465527018441E-13 -4.136812556381588E-15 1.009558246909867E-13 -1.653227317465317E-16
q -3.468338429409438E-15 1.056874837191565E-14 -1.465805437784352E-12 1.229112256170283E-14 -3.015796655392611E-13 5.081390828116878E-16
tp 4.921465527018441E-13 -1.465805437784352E-12 4.394086129502103E-9 -1.071867104607656E-11 8.858290204373487E-10 -1.711574644667562E-13
node -4.136812556381588E-15 1.229112256170283E-14 -1.071867104607656E-11 4.592627292280256E-9 -4.587305079096075E-9 -4.696549407065407E-11
peri 1.009558246909867E-13 -3.015796655392611E-13 8.858290204373487E-10 -4.587305079096075E-9 4.765254606400113E-9 4.6866455206896E-11
i -1.653227317465317E-16 5.081390828116878E-16 -1.711574644667562E-13 -4.696549407065407E-11 4.6866455206896E-11 2.170032350041132E-11

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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