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 ]  
305952 (2009 HU30)
Classification: Main-belt Asteroid          SPK-ID: 2305952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05447274656479673 6.2233e-08  
a 2.670453674804822 2.6475e-08 au
q 2.524986728564149 1.6785e-07 au
i 5.92242594229471 7.2531e-06 deg
node 172.7504636959121 4.9077e-05 deg
peri 161.1602796572712 7.6306e-05 deg
M 335.2736663128583 5.5288e-05 deg
tp 2458709.979605736945
(2019-Aug-14.47960574)
0.00024425 TDB
period 1593.954791841857
4.36
2.3704e-05
6.49e-08
d
yr
n .2258533315013348 3.3587e-09 deg/d
Q 2.815920621045495 2.7918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      8590 days (23.52 yr)  
   first obs. used      1996-03-27  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56904  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:34  

Additional Information
 Earth MOID = 1.515 au 
 Jupiter MOID = 2.38303 au 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO450229  

305952 (2009 HU30)          Discovered 2009-Apr-19 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 HU30 = 2006 UK323 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 06:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin