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 ]  
180686 (2004 HN6)
Classification: Main-belt Asteroid          SPK-ID: 2180686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410592780704605 5.3582e-08  
a 2.750757419903208 2.4186e-08 au
q 2.362737564104699 1.513e-07 au
i 9.190375891339091 5.2603e-06 deg
node 67.45552329210081 3.4747e-05 deg
peri 158.1189206741587 3.9172e-05 deg
M 233.8057088709571 2.2393e-05 deg
tp 2459784.636136870572
(2022-Jul-24.13613687)
0.00010888 TDB
period 1666.390827920814
4.56
2.1977e-05
6.017e-08
d
yr
n .216035754618968 2.8492e-09 deg/d
Q 3.138777275701717 2.7597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      6106 days (16.72 yr)  
   first obs. used      2004-04-17  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:50:15  

Additional Information
 Earth MOID = 1.35426 au 
 Jupiter MOID = 1.85496 au 
 T_jup = 3.313 
[ 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 15.9   n/a MPO502982  
diameter diameter 4.097 km 0.990 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180686 (2004 HN6)          Discovered 2004-Apr-17 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 HN6 = 2006 XT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 08:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin