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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
305963 (2009 HS53)
Classification: Main-belt Asteroid          SPK-ID: 2305963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09628886320886497 5.9485e-08  
a 3.1960722389422 5.8031e-08 au
q 2.888326076321043 1.8532e-07 au
i 5.27273677966536 7.0741e-06 deg
node 151.3631858045205 6.4756e-05 deg
peri 154.940929119464 7.2948e-05 deg
M 188.1970935491163 3.4363e-05 deg
tp 2459596.481594998778
(2022-Jan-16.98159500)
0.00020753 TDB
period 2087.00412354238
5.71
5.684e-05
1.556e-07
d
yr
n .1724960655031929 4.698e-09 deg/d
Q 3.503818401563356 6.3619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      7107 days (19.46 yr)  
   first obs. used      1999-08-21  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:44:19  

Additional Information
 Earth MOID = 1.87382 au 
 Jupiter MOID = 1.73359 au 
 T_jup = 3.182 
[ 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 15.6   n/a MPO433971  

305963 (2009 HS53)          Discovered 2009-Apr-20 by Spacewatch at Kitt Peak
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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin