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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08083087422067865 7.8979e-08  
a 2.936135928607316 3.1959e-08 au
q 2.698805494667242 2.3299e-07 au
i 6.89670624710437 5.7908e-06 deg
node 92.89388646718376 6.5189e-05 deg
peri 307.7825309318486 7.9008e-05 deg
M 241.2343455634659 4.8227e-05 deg
tp 2459606.748990433541
(2022-Jan-27.24899043)
0.00025248 TDB
period 1837.649424756066
5.03
3.0003e-05
8.214e-08
d
yr
n .1959024366401046 3.1985e-09 deg/d
Q 3.17346636254739 3.4542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   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      .66346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:53:29  

Additional Information
 Earth MOID = 1.71438 au 
 Jupiter MOID = 2.16167 au 
 T_jup = 3.259 
[ 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 2020-Jun-06 11:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin