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 ]  
256546 (2007 HC5)
Classification: Main-belt Asteroid          SPK-ID: 2256546
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05797183155723085 4.933e-08  
a 2.893475756094725 2.7901e-08 au
q 2.72573566694747 1.5538e-07 au
i 6.295812919182125 5.2429e-06 deg
node 93.98532137452258 4.3686e-05 deg
peri 31.47261071490102 6.1075e-05 deg
M 346.0019125500228 4.2035e-05 deg
tp 2459270.402772344338
(2021-Feb-24.90277234)
0.00020995 TDB
period 1797.745451576141
4.92
2.6002e-05
7.119e-08
d
yr
n .2002508195386485 2.8964e-09 deg/d
Q 3.061215845241979 2.9518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6865 days (18.80 yr)  
   first obs. used      2002-04-02  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:57:44  

Additional Information
 Earth MOID = 1.74366 au 
 Jupiter MOID = 1.98669 au 
 T_jup = 3.278 
[ 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 MPO454909  

256546 (2007 HC5)          Discovered 2007-Apr-17 by Charleston at Charleston
Reference: 20101128/Numbers.arcLast Updated: 2010-12-06

[ 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 2021-Mar-09 05:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin