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117389 (2004 YD23)
Classification: Jupiter Trojan          SPK-ID: 2117389
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07345509605211316 7.1553e-08  
a 5.165381425114472 1.532e-07 au
q 4.785957836386887 4.1499e-07 au
i 25.18610063729334 7.7292e-06 deg
node 130.0970718957093 1.3493e-05 deg
peri 194.7208153036669 5.6403e-05 deg
M 243.1318160883833 6.1482e-05 deg
tp 2459992.521093073789
(2023-Feb-17.02109307)
0.00076375 TDB
period 4287.972797502779
11.74
0.00019076
5.223e-07
d
yr
n .08395575648466241 3.735e-09 deg/d
Q 5.544805013842057 1.6445e-07 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      11194 days (30.65 yr)  
   first obs. used      1988-09-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56817  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:45  

Additional Information
 Earth MOID = 3.77636 au 
 Jupiter MOID = .214656 au 
 T_jup = 2.806 
[ 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 12.3   n/a MPO436563  
diameter diameter 18.596 km 0.503 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.067   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

117389 (2004 YD23)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 YD23 = 1988 RC13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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