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17419 (1988 RH13)
Classification: Jupiter Trojan          SPK-ID: 2017419
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06339884150615382 5.8607e-08  
a 5.216530434180497 9.8151e-08 au
q 4.88580844797186 3.2092e-07 au
i 15.93455862807828 5.2639e-06 deg
node 45.55837298434777 1.798e-05 deg
peri 331.3055064877545 4.6691e-05 deg
M 233.6244992568678 4.6484e-05 deg
tp 2460528.176625751474
(2024-Aug-05.67662575)
0.00059053 TDB
period 4351.821215635563
11.91
0.00012282
3.363e-07
d
yr
n .08272398661658339 2.3347e-09 deg/d
Q 5.547252420389135 1.0437e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      12826 days (35.12 yr)  
   first obs. used      1984-03-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:30:53  

Additional Information
 Earth MOID = 3.89811 au 
 Jupiter MOID = .0710032 au 
 T_jup = 2.919 
[ 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 11.3   n/a MPO319303  
diameter diameter 33.138 km 0.838 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 19.233 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

17419 (1988 RH13)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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