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100505 (1997 AA9)
Classification: Main-belt Asteroid          SPK-ID: 2100505
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021385485967338 4.9287e-08  
a 2.99545755234547 2.0671e-08 au
q 2.689505865565779 1.5825e-07 au
i 6.329304912122441 5.6045e-06 deg
node 303.6844173519856 3.6933e-05 deg
peri 75.90195132068365 4.6415e-05 deg
M 287.661314296023 2.9734e-05 deg
tp 2459381.005811908826
(2021-Jun-15.50581191)
0.00015848 TDB
period 1893.621524280007
5.18
1.9601e-05
5.366e-08
d
yr
n .1901119074662395 1.9678e-09 deg/d
Q 3.301409239125161 2.2782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      8692 days (23.80 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:52  

Additional Information
 Earth MOID = 1.70036 au 
 Jupiter MOID = 2.19411 au 
 T_jup = 3.237 
[ 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 14.6   n/a MPO348128  
diameter diameter 6.498 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100505 (1997 AA9)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 AA9 = 2000 RP96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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