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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358925673572711 2.2818e-07  
a 5.201216235568245 2.9964e-07 au
q 4.494409607936555 1.3635e-06 au
i 22.88528055705871 2.0267e-05 deg
node 344.6875804014949 2.6311e-05 deg
peri 6.356146395934013 4.8317e-05 deg
M 354.007745972295 5.2992e-05 deg
tp 2459072.617972128793
(2020-Aug-11.11797213)
0.00064191 TDB
period 4332.671786998476
11.86
0.0003744
1.025e-06
d
yr
n .08308960791359539 7.1801e-09 deg/d
Q 5.908022863199935 3.4036e-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 = 3.48913 au 
 Jupiter MOID = .471912 au 
 T_jup = 2.826 
[ 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 13.3   n/a MPO494581  
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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