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JPL Small-Body Database Browser
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423099 (2004 AZ18)
Classification: Jupiter Trojan          SPK-ID: 2423099
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04717845358249031 1.2103e-07  
a 5.278430475940411 3.343e-07 au
q 5.029402288742854 7.2161e-07 au
i 32.66968216575393 1.155e-05 deg
node 122.566236621 1.5299e-05 deg
peri 240.8371422108245 0.00019497 deg
M 236.8964003675004 0.00021119 deg
tp 2460515.190448524197
(2024-Jul-23.69044852)
0.0026745 TDB
period 4429.50947897996
12.13
0.0004208
1.152e-06
d
yr
n .08127310748703981 7.7208e-09 deg/d
Q 5.527458663137968 3.5007e-07 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5648 days (15.46 yr)  
   first obs. used      2004-01-15  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60556  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:30:03  

Additional Information
 Earth MOID = 4.09349 au 
 Jupiter MOID = .0359836 au 
 T_jup = 2.680 
[ 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 13.2   n/a MPO437658  
diameter diameter 12.986 km 1.118 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.050   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

423099 (2004 AZ18)          Discovered 2004-Jan-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2004 AZ18 = 2008 ER68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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