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 ]  
447138 (2005 AB44)
Classification: Main-belt Asteroid          SPK-ID: 2447138
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1561754597641915 4.8626e-08  
a 2.463399899648814 1.9309e-08 au
q 2.078677287738097 1.2726e-07 au
i 1.874462496105433 1.0405e-05 deg
node 41.94255365855414 0.00017641 deg
peri 59.13520246600774 0.00018139 deg
M 8.020828036393301 3.9841e-05 deg
tp 2458969.035740841748
(2020-Apr-29.53574084)
0.00015619 TDB
period 1412.214954064034
3.87
1.6605e-05
4.546e-08
d
yr
n .2549186998508986 2.9973e-09 deg/d
Q 2.848122511559531 2.2325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5410 days (14.81 yr)  
   first obs. used      2005-01-15  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:19:55  

Additional Information
 Earth MOID = 1.0963 au 
 Jupiter MOID = 2.29606 au 
 T_jup = 3.471 
[ 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 17.9   n/a MPO456117  

447138 (2005 AB44)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 AB44 = 2009 DQ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-07 22:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin