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 ]  
447585 (2006 UH21)
Classification: Main-belt Asteroid          SPK-ID: 2447585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02722110246520782 8.5251e-08  
a 2.768194352555374 5.6582e-08 au
q 2.692841050440855 2.5672e-07 au
i 5.887208571174765 1.8978e-05 deg
node 227.4864224296522 0.00011009 deg
peri 65.49416921762784 0.00040067 deg
M 75.45094135363431 0.00038134 deg
tp 2458647.921800114609
(2019-Jun-13.42180011)
0.0017853 TDB
period 1682.260680669782
4.61
5.1578e-05
1.412e-07
d
yr
n .213997749657127 6.5612e-09 deg/d
Q 2.843547654669894 5.8122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      4200 days (11.50 yr)  
   first obs. used      2006-10-16  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:21:30  

Additional Information
 Earth MOID = 1.68319 au 
 Jupiter MOID = 2.19463 au 
 T_jup = 3.330 
[ 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 17.0   n/a E2015T96  

447585 (2006 UH21)          Discovered 2006-Oct-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 02:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin