Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 
[ show covariance matrix ]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 02:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin