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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06352401812508499 4.8435e-08  
a 5.218695661060742 9.5486e-08 au
q 4.887183143298217 2.8127e-07 au
i 15.93053879325516 5.1514e-06 deg
node 45.55079006295145 1.5816e-05 deg
peri 330.8160287155875 4.5435e-05 deg
M 250.707559140387 4.6444e-05 deg
tp 2460522.492549720510
(2024-Jul-30.99254972)
0.00058639 TDB
period 4354.530964412288
11.92
0.00011951
3.272e-07
d
yr
n .08267250892050726 2.269e-09 deg/d
Q 5.550208178823267 1.0155e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      13287 days (36.38 yr)  
   first obs. used      1984-03-29  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:02:49  

Additional Information
 Earth MOID = 3.89838 au 
 Jupiter MOID = .067365 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 11.36   n/a E2021B10  
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. 2020-October); 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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