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JPL Small-Body Database Browser
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249225 (2008 FJ69)
Classification: Jupiter Trojan          SPK-ID: 2249225
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06737468971694255 8.1261e-08  
a 5.18255119866989 1.7838e-07 au
q 4.833378419717338 4.0859e-07 au
i 7.688477472847814 7.2314e-06 deg
node 68.08900313787474 5.3813e-05 deg
peri 294.2284330059504 8.3248e-05 deg
M 195.6639628376222 6.9529e-05 deg
tp 2460567.680170497200
(2024-Sep-14.18017050)
0.00090001 TDB
period 4309.370443679654
11.80
0.00022249
6.091e-07
d
yr
n .0835388845551662 4.3131e-09 deg/d
Q 5.531723977622443 1.904e-07 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      6451 days (17.66 yr)  
   first obs. used      2001-08-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:30:45  

Additional Information
 Earth MOID = 3.83963 au 
 Jupiter MOID = .0249818 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 13.2   n/a MPO437158  
diameter diameter 12.203 km 1.266 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.057   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249225 (2008 FJ69)          Discovered 2008-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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