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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
76628 Kozi Hradek (2000 HC)
Classification: Main-belt Asteroid          SPK-ID: 2076628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04175770097624613 4.4247e-08  
a 3.102394150207843 2.4327e-08 au
q 2.972845302973009 1.4697e-07 au
i 11.45438484179714 5.2433e-06 deg
node 190.7273349501207 2.1206e-05 deg
peri 323.4867473838767 6.4753e-05 deg
M 291.3777349371528 6.1448e-05 deg
tp 2459380.957749290182
(2021-Jun-15.45774929)
0.00034123 TDB
period 1995.923474968764
5.46
2.3476e-05
6.427e-08
d
yr
n .1803676365926975 2.1215e-09 deg/d
Q 3.231942997442677 2.5342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      10302 days (28.21 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5618  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:33:06  

Additional Information
 Earth MOID = 1.98738 au 
 Jupiter MOID = 1.75186 au 
 T_jup = 3.189 
[ 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 14.6   n/a MPO417355  
diameter diameter 3.704 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

76628 Kozí Hrádek           Discovered 2000 Apr. 22 by J. Ticha and M. Tichy at Klet.
Kozí Hrádek is a remnant of a 14th-century castle near Tábor, abandoned since the end of the 15th century. The religious reformer Jan Hus spent there two years between 1412 and 1414, finishing his most important treatise De ecclesia and writing a collection of sermons, Postilla.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-02-03Last Updated: 2015-02-04

[ show close-approach data ]
Alternate Designations
 2000 HC = 2002 RJ57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-21 11:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin