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JPL Small-Body Database Browser
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295509 (2008 RQ73)
Classification: Jupiter Trojan          SPK-ID: 2295509
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361988821502395 2.2853e-07  
a 5.204793223830745 3.0288e-07 au
q 4.495906204921855 1.366e-06 au
i 22.87673689418665 2.0264e-05 deg
node 344.6985046225233 2.6317e-05 deg
peri 6.013829298248157 4.7854e-05 deg
M 321.0612312080639 5.0511e-05 deg
tp 2459069.619366659473
(2020-Aug-08.11936666)
0.00063513 TDB
period 4337.142062703965
11.87
0.00037858
1.036e-06
d
yr
n .08300396777309162 7.2453e-09 deg/d
Q 5.913680242739634 3.4413e-07 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1996-08-19  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:15  

Additional Information
 Earth MOID = 3.48957 au 
 Jupiter MOID = .481999 au 
 T_jup = 2.825 
[ 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 13.5   n/a MPO376950  
diameter diameter 10.262 km 0.864 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.080   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

295509 (2008 RQ73)          Discovered 2008-Sep-06 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 RQ73 = 1996 RF31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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