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180095 (2003 EA46)
Classification: Main-belt Asteroid          SPK-ID: 2180095
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3138305044255478 5.3928e-08  
a 3.171129187345516 2.5955e-08 au
q 2.175932114882295 1.8114e-07 au
i 24.78362025626971 8.3892e-06 deg
node 355.096465624127 1.116e-05 deg
peri 272.9587168200657 1.8072e-05 deg
M .9354807377675137 1.3489e-05 deg
tp 2459195.140161820293
(2020-Dec-11.64016182)
7.7266e-05 TDB
period 2062.620497455877
5.65
2.5323e-05
6.933e-08
d
yr
n .1745352576705405 2.1428e-09 deg/d
Q 4.166326259808737 3.41e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1997-04-08  
   last obs. used      2020-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:07  

Additional Information
 Earth MOID = 1.32108 au 
 Jupiter MOID = 1.87673 au 
 T_jup = 2.987 
[ 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 14.43   n/a E2021B55  
diameter diameter 7.971 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.942 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 0.070   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180095 (2003 EA46)          Discovered 2003-Mar-07 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2003 EA46 = 1997 GZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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