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192389 (1996 RT29)
Classification: Jupiter Trojan          SPK-ID: 2192389
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0111515924737881 7.8973e-08  
a 5.25851391508056 1.7108e-07 au
q 5.199873110881838 4.0209e-07 au
i 22.78566590703303 8.921e-06 deg
node 21.18240424052259 1.2929e-05 deg
peri 141.874221747796 0.00036319 deg
M 208.864010966803 0.00036884 deg
tp 2461049.591319052866
(2026-Jan-09.09131905)
0.0045811 TDB
period 4404.463021132689
12.06
0.00021494
5.885e-07
d
yr
n .08173527584922698 3.9888e-09 deg/d
Q 5.317154719279283 1.7299e-07 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      8909 days (24.39 yr)  
   first obs. used      1996-09-11  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:54  

Additional Information
 Earth MOID = 4.20812 au 
 Jupiter MOID = .252741 au 
 T_jup = 2.843 
[ 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 12.45   n/a MPCxxxxx  
diameter diameter 16.068 km 0.819 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.090   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

192389 (1996 RT29)          Discovered 1996-Sep-12 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1996 RT29 = 2002 DS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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