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249247 (2008 RV9)
Classification: Jupiter Trojan          SPK-ID: 2249247
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09305060280275265 7.5053e-08  
a 5.314843257716927 2.4351e-07 au
q 4.820293888784221 5.5703e-07 au
i 6.718933092402661 8.3724e-06 deg
node 223.1021655313401 6.8785e-05 deg
peri 204.7629888307289 9.7067e-05 deg
M 297.8649218900078 7.8493e-05 deg
tp 2459772.946600765352
(2022-Jul-12.44660077)
0.0010157 TDB
period 4475.423299271716
12.25
0.00030757
8.421e-07
d
yr
n .08043931845700107 5.5281e-09 deg/d
Q 5.809392626649633 2.6616e-07 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5956 days (16.31 yr)  
   first obs. used      2003-06-04  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:44:31  

Additional Information
 Earth MOID = 3.83562 au 
 Jupiter MOID = .155482 au 
 T_jup = 2.978 
[ 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 MPO494359  
diameter diameter 11.881 km 0.689 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.066   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249247 (2008 RV9)          Discovered 2008-Sep-03 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 RV9 = 2008 RP67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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