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152202 (2005 QE143)
Classification: Main-belt Asteroid          SPK-ID: 2152202
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2532868279448396 8.5378e-08  
a 2.863503622098328 1.8494e-08 au
q 2.138215872848483 2.3401e-07 au
i 12.54575399738609 5.7643e-06 deg
node 211.9684502664869 1.647e-05 deg
peri 193.3858225552662 2.009e-05 deg
M 19.55153600256425 7.2068e-06 deg
tp 2459104.377863937090
(2020-Sep-11.87786394)
3.543e-05 TDB
period 1769.884932729034
4.85
1.7147e-05
4.695e-08
d
yr
n .2034030536916918 1.9706e-09 deg/d
Q 3.588791371348171 2.3179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      7910 days (21.66 yr)  
   first obs. used      1999-06-18  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:08  

Additional Information
 Earth MOID = 1.14809 au 
 Jupiter MOID = 1.8351 au 
 T_jup = 3.218 
[ 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 15.78   n/a E2021B55  
diameter diameter 3.879 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.130 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 0.068   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152202 (2005 QE143)          Discovered 2005-Aug-31 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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