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52250 (1981 EE32)
Classification: Main-belt Asteroid          SPK-ID: 2052250
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0666279564602567 3.7302e-08  
a 2.424988526190013 9.2216e-09 au
q 2.263416496250403 8.8174e-08 au
i 6.000841156690855 3.2613e-06 deg
node 231.3550003742214 3.5051e-05 deg
peri 290.5474555022216 4.2855e-05 deg
M 205.0660238178325 2.607e-05 deg
tp 2459794.118086768945
(2022-Aug-02.61808677)
0.00010151 TDB
period 1379.313411446655
3.78
7.8678e-06
2.154e-08
d
yr
n .2609994197202968 1.4888e-09 deg/d
Q 2.586560556129623 9.836e-09 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      14546 days (39.82 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:48  

Additional Information
 Earth MOID = 1.27833 au 
 Jupiter MOID = 2.4095 au 
 T_jup = 3.501 
[ 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 15.99   n/a E2021B10  

52250 (1981 EE32)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EE32 = 2000 GN102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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