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305317 (2008 AH53)
Classification: Main-belt Asteroid          SPK-ID: 2305317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162488464124022 8.9853e-08  
a 3.02381921981533 4.0974e-08 au
q 2.672303723752148 2.5439e-07 au
i 5.080725533996019 9.0562e-06 deg
node 299.8571554192545 8.0654e-05 deg
peri 230.8829492248204 8.8024e-05 deg
M 86.00347418110329 3.4036e-05 deg
tp 2458541.676497224766
(2019-Feb-27.17649722)
0.00017986 TDB
period 1920.578936744591
5.26
3.9037e-05
1.069e-07
d
yr
n .1874434802509108 3.8099e-09 deg/d
Q 3.375334715878512 4.5737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5926 days (16.22 yr)  
   first obs. used      2003-01-16  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:08:11  

Additional Information
 Earth MOID = 1.68218 au 
 Jupiter MOID = 1.63776 au 
 T_jup = 3.229 
[ 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 16.1   n/a MPO209321  

305317 (2008 AH53)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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