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 ]  
266582 (2008 HC25)
Classification: Main-belt Asteroid          SPK-ID: 2266582
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248256742271331 7.337e-08  
a 2.402506606486293 1.4852e-08 au
q 2.1026120994965 1.7505e-07 au
i 2.726422883055681 7.5504e-06 deg
node 210.1168951612138 0.00012429 deg
peri 187.3077219010952 0.00012731 deg
M 265.3209405985662 2.5773e-05 deg
tp 2459358.222903178912
(2021-May-23.72290318)
9.8263e-05 TDB
period 1360.176642634222
3.72
1.2613e-05
3.453e-08
d
yr
n .264671505682377 2.4543e-09 deg/d
Q 2.702401113476087 1.6706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:57:28  

Additional Information
 Earth MOID = 1.10981 au 
 Jupiter MOID = 2.68866 au 
 T_jup = 3.513 
[ 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 17.4   n/a MPO433731  

266582 (2008 HC25)          Discovered 2008-Apr-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 HC25 = 2002 WN29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 22:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin