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117404 (2005 AC9)
Classification: Jupiter Trojan          SPK-ID: 2117404
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02871836423689809 1.0695e-07  
a 5.118566948382105 1.5449e-07 au
q 4.971570078387519 5.4185e-07 au
i 22.81358548961746 6.6477e-06 deg
node 105.0227059556573 2.2158e-05 deg
peri 286.9175148971049 0.00013317 deg
M 167.9246427660263 0.00013449 deg
tp 2456627.473396192346
(2013-Nov-30.97339619)
0.0015384 TDB
period 4229.811453941397
11.58
0.0001915
5.243e-07
d
yr
n .08511017664027247 3.8533e-09 deg/d
Q 5.265563818376689 1.5893e-07 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      6472 days (17.72 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53805  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:46  

Additional Information
 Earth MOID = 4.04638 au 
 Jupiter MOID = .0292453 au 
 T_jup = 2.844 
[ 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 12.1   n/a MPO351676  
diameter diameter 22.747 km 0.812 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.065   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

117404 (2005 AC9)          Discovered 2005-Jan-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 AC9 = 2003 BU88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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