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 ]  
217013 (2001 AA50)
Classification: Amor [NEO]          SPK-ID: 2217013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 87 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979138068294417 6.7045e-08  
a 1.320756246097426 6.5161e-09 au
q 1.059360349538521 9.1688e-08 au
i 43.88133273387376 3.1707e-05 deg
node 306.2453724299636 6.8131e-06 deg
peri 58.59843530940596 2.688e-05 deg
M 17.73354554375004 2.1358e-05 deg
tp 2458973.189760385115
(2020-May-03.68976039)
3.2804e-05 TDB
period 554.4117636883709
1.52
4.1029e-06
1.123e-08
d
yr
n .6493368712182526 4.8053e-09 deg/d
Q 1.58215214265633 7.8057e-09 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      5535 days (15.15 yr)  
   first obs. used      2001-01-04  
   last obs. used      2016-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42412  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:25:19  

Additional Information
 Earth MOID = .132207 au 
 Jupiter MOID = 3.86619 au 
 T_jup = 4.652 
[ 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 18.7   n/a MPO241412  

217013 (2001 AA50)          Discovered 2001-Jan-04 by LINEAR at Socorro
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09

[ 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 2020-Feb-23 08:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin