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 ]  
312580 (2009 HZ78)
Classification: Main-belt Asteroid          SPK-ID: 2312580
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503073743903839 5.8433e-08  
a 2.644501098503529 3.1132e-08 au
q 2.247013081814978 1.5421e-07 au
i 7.594366514697573 7.8621e-06 deg
node 202.4311663359091 4.0753e-05 deg
peri 41.42228599725797 4.8227e-05 deg
M 194.4791867765895 3.1495e-05 deg
tp 2459722.711110185354
(2022-May-23.21111019)
0.00014595 TDB
period 1570.775267493399
4.30
2.7738e-05
7.594e-08
d
yr
n .2291861906983538 4.0471e-09 deg/d
Q 3.04198911519208 3.5811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      5749 days (15.74 yr)  
   first obs. used      2004-02-11  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:49  

Additional Information
 Earth MOID = 1.24111 au 
 Jupiter MOID = 1.97929 au 
 T_jup = 3.365 
[ 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 16.4   n/a MPO455304  

312580 (2009 HZ78)          Discovered 2009-Apr-26 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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-Oct-01 16:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin