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JPL Small-Body Database Browser
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305324 (2008 AP81)
Classification: Main-belt Asteroid          SPK-ID: 2305324
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06379837685294433 6.2008e-08  
a 2.732869510277064 3.6534e-08 au
q 2.558516871370486 1.9164e-07 au
i 4.194601802473591 5.3932e-06 deg
node 233.5837439195159 7.7563e-05 deg
peri 161.2953572995134 9.137e-05 deg
M 341.423652702579 5.0685e-05 deg
tp 2459085.649987998284
(2020-Aug-24.14998800)
0.00023314 TDB
period 1650.162714369472
4.52
3.309e-05
9.06e-08
d
yr
n .2181603043537171 4.3746e-09 deg/d
Q 2.907222149183642 3.8864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6086 days (16.66 yr)  
   first obs. used      2002-11-27  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59726  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:36  

Additional Information
 Earth MOID = 1.56547 au 
 Jupiter MOID = 2.38711 au 
 T_jup = 3.347 
[ 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 16.6   n/a MPO446455  

305324 (2008 AP81)          Discovered 2008-Jan-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 AP81 = 2006 SK292 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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