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26182 (1996 HW8)
Classification: Main-belt Asteroid          SPK-ID: 2026182
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168311398927374 4.0687e-08  
a 2.638472190003637 1.3518e-08 au
q 2.330216476470225 1.0494e-07 au
i 7.961910297047108 4.8435e-06 deg
node 209.1243490027863 2.8086e-05 deg
peri 114.2990399335158 3.4328e-05 deg
M 132.4782929141917 2.0417e-05 deg
tp 2458424.437730785695
(2018-Nov-01.93773079)
8.7433e-05 TDB
period 1565.406772349299
4.29
1.203e-05
3.294e-08
d
yr
n .2299721748742192 1.7673e-09 deg/d
Q 2.946727903537049 1.5097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:40:10  

Additional Information
 Earth MOID = 1.33238 au 
 Jupiter MOID = 2.37727 au 
 T_jup = 3.373 
[ 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 14.5   n/a MPO449153  
diameter diameter 3.307 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.769 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.281   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26182 (1996 HW8)          Discovered 1996-Apr-17 by Elst, E. W. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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