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 ]  
305972 (2009 HG76)
Classification: Main-belt Asteroid          SPK-ID: 2305972
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04854150375201521 7.9266e-08  
a 3.052290181006866 3.7073e-08 au
q 2.904127425733282 2.4448e-07 au
i 2.91429133038296 7.0711e-06 deg
node 94.24089347406945 0.0001473 deg
peri 146.7080638480147 0.00016168 deg
M 354.2474383811905 6.3701e-05 deg
tp 2459031.624037852014
(2020-Jul-01.12403785)
0.00034447 TDB
period 1947.76768493681
5.33
3.5486e-05
9.716e-08
d
yr
n .1848269702717033 3.3673e-09 deg/d
Q 3.200452936280449 3.8872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      9014 days (24.68 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:09:52  

Additional Information
 Earth MOID = 1.89178 au 
 Jupiter MOID = 1.78953 au 
 T_jup = 3.233 
[ 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 16.6   n/a MPO433971  

305972 (2009 HG76)          Discovered 2009-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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-Nov-25 17:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin