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 ]  
305619 (2009 AP23)
Classification: Main-belt Asteroid          SPK-ID: 2305619
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700939716558358 5.2365e-08  
a 2.642593591231951 2.4445e-08 au
q 2.19310435182705 1.3135e-07 au
i 13.68479186617484 5.453e-06 deg
node 110.2790005566165 2.8348e-05 deg
peri 167.5866575190461 3.6289e-05 deg
M 77.03412815626324 2.7029e-05 deg
tp 2458664.743318379278
(2019-Jun-30.24331838)
0.00011459 TDB
period 1569.076048193486
4.30
2.1772e-05
5.961e-08
d
yr
n .2294343861882772 3.1835e-09 deg/d
Q 3.092082830636852 2.8603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6712 days (18.38 yr)  
   first obs. used      2002-06-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:21  

Additional Information
 Earth MOID = 1.17848 au 
 Jupiter MOID = 2.07572 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457239.5 (2015-Aug-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698310341612799 5.2273e-08  
q 2.194773777121777 1.3111e-07 au
tp 2457096.697951034960
(2015-Mar-15.19795104)
0.00010157 TDB
node 110.3132429842003 2.8368e-05 deg
peri 167.9589714097102 3.6354e-05 deg
i 13.6781900949098 5.4502e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6712 days (18.38 yr)  
   first obs. used      2002-06-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:21  

Additional Information
 Jupiter MOID = 2.07572 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.73242566990502E-15 -6.785496421820294E-15 1.250782403895482E-12 3.783616992159978E-15 2.251932058888188E-13 1.581091290955948E-15
q -6.785496421820294E-15 1.719061017110521E-14 -2.184981396425804E-12 -9.952996804336856E-15 -3.522434606880672E-13 -3.96930377544584E-15
tp 1.250782403895482E-12 -2.184981396425804E-12 1.031577796370416E-8 -2.61724618270046E-12 2.370068796951573E-9 1.206785104389215E-12
node 3.783616992159978E-15 -9.952996804336856E-15 -2.61724618270046E-12 8.047329637149864E-10 -7.810682905509354E-10 9.429730453294334E-12
peri 2.251932058888188E-13 -3.522434606880672E-13 2.370068796951573E-9 -7.810682905509354E-10 1.321621986923788E-9 -8.767329582136297E-12
i 1.581091290955948E-15 -3.96930377544584E-15 1.206785104389215E-12 9.429730453294334E-12 -8.767329582136297E-12 2.970493688271797E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO437357  

305619 (2009 AP23)          Discovered 2009-Jan-03 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-Nov-25 11:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin