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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756945237754055 2.9711e-08  
a 2.323252488524966 7.8784e-09 au
q 1.915069748943546 6.962e-08 au
i 4.748062528433268 3.8438e-06 deg
node 42.54333084536045 4.4725e-05 deg
peri 203.358440351881 4.6247e-05 deg
M 121.5311861758014 1.3687e-05 deg
tp 2458959.855213215723
(2020-Apr-20.35521322)
4.815e-05 TDB
period 1293.430338242177
3.54
6.5792e-06
1.801e-08
d
yr
n .2783296396845417 1.4158e-09 deg/d
Q 2.731435228106386 9.2625e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1193  
   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      .49797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:08  

Additional Information
 Earth MOID = .903179 au 
 Jupiter MOID = 2.29108 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456602.5 (2013-Nov-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757443430325445 2.9679e-08  
q 1.915375922016772 6.9534e-08 au
tp 2456372.348628789089
(2013-Mar-20.84862879)
4.3968e-05 TDB
node 42.62784974981722 4.4728e-05 deg
peri 203.4898227991276 4.6245e-05 deg
i 4.747944868866172 3.8421e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1193  
   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      .49797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:08  

Additional Information
 Jupiter MOID = 2.29108 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.808521646837103E-16 -2.054815857124099E-15 -3.200018400122706E-13 1.209341646333394E-15 -8.551887220272722E-14 -6.653956934982025E-16
q -2.054815857124099E-15 4.835040695993014E-15 7.941174343163398E-13 -2.80583204281008E-15 2.133656217539596E-13 1.636973212674291E-15
tp -3.200018400122706E-13 7.941174343163398E-13 1.933187375330359E-9 5.275139158316042E-12 5.302965143948796E-10 4.746922450171779E-13
node 1.209341646333394E-15 -2.80583204281008E-15 5.275139158316042E-12 2.000576982599977E-9 -1.991923145278545E-9 -4.862716716924187E-11
peri -8.551887220272722E-14 2.133656217539596E-13 5.302965143948796E-10 -1.991923145278545E-9 2.138627078651065E-9 4.859843575717859E-11
i -6.653956934982025E-16 1.636973212674291E-15 4.746922450171779E-13 -4.862716716924187E-11 4.859843575717859E-11 1.476150005476605E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 2002 HN = 2000 WL85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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