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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792393733163502 3.4031e-08  
a 3.087736601572428 1.42e-08 au
q 2.534292628140629 1.0222e-07 au
i 3.16698696389132 4.6519e-06 deg
node 31.18876110553188 6.7885e-05 deg
peri 100.4419207728537 6.9185e-05 deg
M 142.2903058225389 1.2987e-05 deg
tp 2458417.193721259489
(2018-Oct-25.69372126)
6.9649e-05 TDB
period 1981.795307252172
5.43
1.3671e-05
3.743e-08
d
yr
n .1816534728297205 1.2531e-09 deg/d
Q 3.641180575004227 1.6745e-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 = 1.55115 au 
 Jupiter MOID = 1.4175 au 
 T_jup = 3.199 
[ 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 = 1.4175 au 
 T_jup = 3.199 
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 12.31   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-Nov-11 21:42 00:03 Jupiter 1.41966658706978 1.41966621305152 1.41966696108826 0.900217480196728 n/a 2416065.404284246 2.80047393269406 110.825936076442 18.0284138786985 -87.4957514460553 11765313.6960493 F 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
1962-Jun-20 07:20 00:01 Jupiter 1.42106987776183 1.4210694227109 1.42107033281385 1.00419807533836 n/a 2437835.805530117 1.20204025268152 102.826170909504 17.8471464560384 -82.0454874097345 11796495.3329748 F 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
1972-Jan-28 09:00 < 00:01 Jupiter 1.95944789754113 1.95944715336529 1.95944864171663 2.41209488960092 2.22567956712273 2441344.875308606 0.935710466412647 45.105582423821 12.0945731758087 79.3865116778876 1827921.78400277 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
2022-Feb-06 22:28 < 00:01 Jupiter 1.44654704334534 1.44654659437423 1.44654749235305 1.16297822181823 0.425937363926121 2459617.436352798 0.349789285921441 3033.73852799844 517.879205767484 11.369692563679 1881855.43735256 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
2031-Sep-19 08:44 < 00:01 Jupiter 1.85640630610456 1.85640560961918 1.8564070025894 2.02115886090499 1.7811634202616 2463128.863811697 0.577726048152943 49.6253643091873 10.6210893169828 81.9450666143442 1717254.10836441 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
2081-Oct-19 16:02 00:02 Jupiter 1.50974471601174 1.50974379301596 1.50974563902666 1.42069801671504 0.946735986154282 2481422.167902602 1.79181786128872 499.429591809977 208.830140905273 48.2142918125481 1417318.70327576 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
2091-Jun-05 11:04 00:02 Jupiter 1.72933889259381 1.72933732337244 1.72934046181115 1.58911875358794 1.24326476979852 2484937.961164693 2.04338507377633 189.751546729258 57.7798913102199 30.060010268814 1069556.80100507 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
2141-Jul-25 00:05 00:03 Jupiter 1.62001740292943 1.62001544915234 1.62001935670644 1.83532356833439 1.5240462671057 2503249.503502375 3.15247660744014 208.510628686479 67.5399351706819 70.0142742358822 926031.49328675 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06
2151-Mar-12 20:03 00:03 Jupiter 1.59287805100927 1.59287593795325 1.59288016423044 1.21248733206781 0.637662498091438 2506767.335631971 3.3176412345019 2284.01723249259 232.83566994313 35.2243598692391 2578685.12304881 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:06:25 2020-Nov-13 04:06

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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