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 ]  
123745 (2001 AA23)
Classification: Main-belt Asteroid          SPK-ID: 2123745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08359109542708268 4.6511e-08  
a 2.857170093861964 2.3682e-08 au
q 2.618336115894541 1.3788e-07 au
i 13.23734348421216 5.4728e-06 deg
node 130.6577545790639 2.1483e-05 deg
peri 245.078131270761 3.7946e-05 deg
M 100.758603651158 3.1869e-05 deg
tp 2458506.778306589750
(2019-Jan-23.27830659)
0.00015572 TDB
period 1764.016204939214
4.83
2.1932e-05
6.005e-08
d
yr
n .2040797578797783 2.5373e-09 deg/d
Q 3.096004071829386 2.5662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-10-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:53  

Additional Information
 Earth MOID = 1.64726 au 
 Jupiter MOID = 2.33595 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 15.2   n/a MPO453710  
diameter diameter 5.277 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123745 (2001 AA23)          Discovered 2001-Jan-03 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2001 AA23 = 2004 TT247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 06:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin