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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705592760096059 5.5614e-08  
a 2.644056694384881 2.5899e-08 au
q 2.193088298862244 1.4324e-07 au
i 13.6822320079559 6.8326e-06 deg
node 110.2807792518007 3.0583e-05 deg
peri 167.6831216112156 3.9282e-05 deg
M 345.1982883802744 2.6929e-05 deg
tp 2458665.067505685922
(2019-Jun-30.56750569)
0.00011798 TDB
period 1570.379334776072
4.30
2.3073e-05
6.317e-08
d
yr
n .2292439743874585 3.3682e-09 deg/d
Q 3.095025089907517 3.0316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2002-06-08  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:54  

Additional Information
 Earth MOID = 1.17786 au 
 Jupiter MOID = 2.07166 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456606.5 (2013-Nov-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694075156941434 5.5638e-08  
q 2.195455299614621 1.4296e-07 au
tp 2457096.787522159196
(2015-Mar-15.28752216)
0.00010806 TDB
node 110.3134703759525 3.0597e-05 deg
peri 167.9557584915248 3.9413e-05 deg
i 13.67880718061794 6.8312e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2002-06-08  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:54  

Additional Information
 Jupiter MOID = 2.07166 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.095639379455378E-15 -7.870186667449425E-15 1.930227632224939E-12 -6.972917460853259E-16 4.45191090117931E-13 -1.200104285722932E-15
q -7.870186667449425E-15 2.043828240759359E-14 -4.23769185018991E-12 7.285186784886441E-15 -1.021233700016104E-12 5.919685907626939E-15
tp 1.930227632224939E-12 -4.23769185018991E-12 1.167701887071802E-8 5.44711423371762E-11 2.741512797511653E-9 1.939113216308514E-11
node -6.972917460853259E-16 7.285186784886441E-15 5.44711423371762E-11 9.36168802214641E-10 -8.95034976684796E-10 5.63994303383845E-11
peri 4.45191090117931E-13 -1.021233700016104E-12 2.741512797511653E-9 -8.95034976684796E-10 1.553378555112111E-9 -5.021303778967583E-11
i -1.200104285722932E-15 5.919685907626939E-15 1.939113216308514E-11 5.63994303383845E-11 -5.021303778967583E-11 4.66653385054433E-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 ]
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