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192283 (1981 EE3)
Classification: Main-belt Asteroid          SPK-ID: 2192283
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772923007953385 6.0677e-08  
a 2.58439319117562 1.8167e-08 au
q 2.126200176152287 1.5969e-07 au
i 8.743095218600425 7.7274e-06 deg
node 307.4949811001598 2.7095e-05 deg
peri 149.2918053272745 3.1783e-05 deg
M 263.1304741800302 1.6535e-05 deg
tp 2459608.839114092181
(2022-Jan-29.33911409)
7.1476e-05 TDB
period 1517.52658876834
4.15
1.6001e-05
4.381e-08
d
yr
n .2372281333747071 2.5014e-09 deg/d
Q 3.042586206198952 2.1388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      14521 days (39.76 yr)  
   first obs. used      1981-03-02  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:27  

Additional Information
 Earth MOID = 1.1479 au 
 Jupiter MOID = 2.12833 au 
 T_jup = 3.384 
[ 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 16.27   n/a E2021B55  
diameter diameter 4.047 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.349 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.043   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192283 (1981 EE3)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1981 EE3 = 2000 WJ132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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