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 ]  
447682 (2007 AA20)
Classification: Main-belt Asteroid          SPK-ID: 2447682
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07118232906757148 7.7001e-08  
a 3.054565310768189 4.7146e-08 au
q 2.837134237658699 2.1584e-07 au
i 11.60275317986643 7.497e-06 deg
node 103.441478700422 3.4772e-05 deg
peri 72.65702323738944 7.3453e-05 deg
M 59.00867840586285 6.3439e-05 deg
tp 2458280.878535435394
(2018-Jun-11.37853544)
0.00034139 TDB
period 1949.945844437447
5.34
4.5145e-05
1.236e-07
d
yr
n .1846205119116315 4.2743e-09 deg/d
Q 3.271996383877679 5.0502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4593 days (12.57 yr)  
   first obs. used      2006-12-26  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:29  

Additional Information
 Earth MOID = 1.87076 au 
 Jupiter MOID = 1.82794 au 
 T_jup = 3.201 
[ 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 16.5   n/a MPO437740  

447682 (2007 AA20)          Discovered 2007-Jan-15 by Casulli, V. S. at Vallemare Borbona
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin