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43677 (2002 HN)
Classification: Main-belt Asteroid          SPK-ID: 2043677
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756106191077253 2.9711e-08  
a 2.324082127558746 7.9552e-09 au
q 1.915948626280955 6.9703e-08 au
i 4.747282961818461 3.8429e-06 deg
node 42.55432964148324 4.4732e-05 deg
peri 203.4664987095863 4.6256e-05 deg
M 66.87218985972714 1.3564e-05 deg
tp 2458960.108737818061
(2020-Apr-20.60873782)
4.8201e-05 TDB
period 1294.123230703651
3.54
6.6445e-06
1.819e-08
d
yr
n .2781806179340881 1.4283e-09 deg/d
Q 2.732215628836536 9.3522e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:39  

Additional Information
 Earth MOID = .902298 au 
 Jupiter MOID = 2.29181 au 
 T_jup = 3.550 
[ 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 15.24   n/a E2021B10  
diameter diameter 2.466 km 0.600 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 48.736 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 0.291   0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43677 (2002 HN)          Discovered 2002-Apr-16 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 HN = 2000 WL85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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