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 ]  
305323 (2008 AA77)
Classification: Main-belt Asteroid          SPK-ID: 2305323
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0824906266654022 7.9532e-08  
a 2.93160601416743 3.1712e-08 au
q 2.689775996922696 2.3358e-07 au
i 6.898041106310932 6.1581e-06 deg
node 92.89415761264144 6.5822e-05 deg
peri 308.12915549608 8.0552e-05 deg
M 162.4567795349079 4.8528e-05 deg
tp 2457773.144474277389
(2017-Jan-19.64447428)
0.00023995 TDB
period 1833.398335931802
5.02
2.9748e-05
8.145e-08
d
yr
n .1963566743486949 3.186e-09 deg/d
Q 3.173436031412163 3.4327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6408 days (17.54 yr)  
   first obs. used      2001-10-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:08:07  

Additional Information
 Earth MOID = 1.70484 au 
 Jupiter MOID = 2.16421 au 
 T_jup = 3.260 
[ 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 16.2   n/a MPO437356  

305323 (2008 AA77)          Discovered 2008-Jan-12 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin