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 ]  
226683 (2004 HC51)
Classification: Main-belt Asteroid          SPK-ID: 2226683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132626995760439 4.1914e-08  
a 2.300117272751165 1.3828e-08 au
q 1.995059628969484 9.3516e-08 au
i 5.174654243307504 4.5228e-06 deg
node 248.2820841951895 4.897e-05 deg
peri 283.3660261712203 5.2028e-05 deg
M 258.9669897680475 2.0366e-05 deg
tp 2459358.089030572045
(2021-May-23.58903057)
7.3587e-05 TDB
period 1274.158324199113
3.49
1.149e-05
3.146e-08
d
yr
n .2825394561749477 2.5478e-09 deg/d
Q 2.605174916532845 1.5661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      5665 days (15.51 yr)  
   first obs. used      2004-04-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61207  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:55:41  

Additional Information
 Earth MOID = 1.00785 au 
 Jupiter MOID = 2.38978 au 
 T_jup = 3.575 
[ 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 16.7   n/a MPO450051  

226683 (2004 HC51)          Discovered 2004-Apr-23 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 13:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin