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117403 (2005 AO8)
Classification: Main-belt Asteroid          SPK-ID: 2117403
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160813278519852 6.3388e-08  
a 2.609719923599117 2.3646e-08 au
q 2.045808177186039 1.7236e-07 au
i 11.70852804965718 6.7972e-06 deg
node 318.9904237599135 4.2409e-05 deg
peri 120.621333319986 4.7603e-05 deg
M 266.2358341367235 2.3437e-05 deg
tp 2459401.573226950297
(2021-Jul-06.07322695)
0.00010346 TDB
period 1539.888510421412
4.22
2.0929e-05
5.73e-08
d
yr
n .2337831586921063 3.1774e-09 deg/d
Q 3.173631670012196 2.8755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6804 days (18.63 yr)  
   first obs. used      1999-09-07  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66339  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:36:19  

Additional Information
 Earth MOID = 1.08908 au 
 Jupiter MOID = 2.13329 au 
 T_jup = 3.348 
[ show covariance matrix ]

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 MPO259999  
diameter diameter 4.540 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117403 (2005 AO8)          Discovered 2005-Jan-06 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 AO8 = 1999 RR227 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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