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 ]  
215232 (2001 AK12)
Classification: Main-belt Asteroid          SPK-ID: 2215232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095426859036943 4.5717e-08  
a 2.681108721332474 2.528e-08 au
q 2.387412870797895 1.2258e-07 au
i 12.23650927673265 5.6217e-06 deg
node 289.4535299407984 2.8022e-05 deg
peri 300.6917342865366 4.0924e-05 deg
M 45.36391047051751 2.9792e-05 deg
tp 2458798.441070025261
(2019-Nov-10.94107003)
0.00013275 TDB
period 1603.50406383465
4.39
2.2679e-05
6.209e-08
d
yr
n .2245083178268281 3.1753e-09 deg/d
Q 2.974804571867053 2.8049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2000-12-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:14:07  

Additional Information
 Earth MOID = 1.40112 au 
 Jupiter MOID = 2.16871 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457389.5 (2016-Jan-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083883679097235 4.5892e-08  
q 2.389163034412202 1.2274e-07 au
tp 2457194.219212201413
(2015-Jun-20.71921220)
0.00013616 TDB
node 289.4816479283963 2.8037e-05 deg
peri 300.2581891262661 4.1111e-05 deg
i 12.23405597114916 5.6201e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2000-12-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:14:07  

Additional Information
 Jupiter MOID = 2.16871 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.106113458363885E-15 -5.538290206516364E-15 -1.44682784316398E-12 -5.41892952545725E-15 -3.206184318033668E-13 -1.188483737379015E-15
q -5.538290206516364E-15 1.506500185967155E-14 3.301663639540028E-12 9.561769684654264E-15 7.47622802134794E-13 4.431646167484278E-15
tp -1.44682784316398E-12 3.301663639540028E-12 1.853822052132693E-8 2.816880740729218E-11 4.13683079415426E-9 2.345847523320528E-12
node -5.41892952545725E-15 9.561769684654264E-15 2.816880740729218E-11 7.860863262274878E-10 -7.616850547900257E-10 3.835391386926381E-11
peri -3.206184318033668E-13 7.47622802134794E-13 4.13683079415426E-9 -7.616850547900257E-10 1.690152256646608E-9 -3.709083986701602E-11
i -1.188483737379015E-15 4.431646167484278E-15 2.345847523320528E-12 3.835391386926381E-11 -3.709083986701602E-11 3.158543540701257E-11

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 15.5   n/a MPO470311  
diameter diameter 5.206 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215232 (2001 AK12)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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-Aug-04 21:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin