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JPL Small-Body Database Browser
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154522 (2003 FL91)
Classification: Main-belt Asteroid          SPK-ID: 2154522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09346691563611671 5.3522e-08  
a 2.443082805712065 1.5851e-08 au
q 2.214735391218527 1.3059e-07 au
i 15.22818995425247 6.6214e-06 deg
node 49.37166931358936 2.2082e-05 deg
peri 214.0302247481033 4.0164e-05 deg
M 122.5733856169453 3.5329e-05 deg
tp 2458525.603040725776
(2019-Feb-11.10304073)
0.00013562 TDB
period 1394.779988153364
3.82
1.3574e-05
3.716e-08
d
yr
n .2581052230872816 2.5119e-09 deg/d
Q 2.671430220205602 1.7332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      6521 days (17.85 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:58:06  

Additional Information
 Earth MOID = 1.21385 au 
 Jupiter MOID = 2.37459 au 
 T_jup = 3.446 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO396262  
diameter diameter 2.462 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154522 (2003 FL91)          Discovered 2003-Mar-29 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2003 FL91 = 2001 XP39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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