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 ]  
233431 (2006 HU44)
Classification: Main-belt Asteroid          SPK-ID: 2233431
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04542159168418154 4.5102e-08  
a 2.91513085399787 3.3753e-08 au
q 2.782720970641619 1.3023e-07 au
i 2.644143148162081 6.3114e-06 deg
node 53.20055512107093 0.00011306 deg
peri 251.8466390473564 0.00013498 deg
M 119.0659155976298 7.263e-05 deg
tp 2457999.228715658622
(2017-Sep-02.72871566)
0.00036811 TDB
period 1817.964958959295
4.98
3.1575e-05
8.645e-08
d
yr
n .1980236187864062 3.4393e-09 deg/d
Q 3.047540737354121 3.5287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5575 days (15.26 yr)  
   first obs. used      2003-09-29  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:28:51  

Additional Information
 Earth MOID = 1.76822 au 
 Jupiter MOID = 2.05788 au 
 T_jup = 3.279 
[ 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 16.1   n/a MPO418246  

233431 (2006 HU44)          Discovered 2006-Apr-25 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2006 HU44 = 2008 SF270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 11:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin