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JPL Small-Body Database Browser
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74515 (1999 FL28)
Classification: Main-belt Asteroid          SPK-ID: 2074515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08069640427423785 4.7846e-08  
a 3.071709036744419 2.4337e-08 au
q 2.823833162502462 1.5098e-07 au
i 10.79593767792623 6.801e-06 deg
node 353.4039363881977 2.2606e-05 deg
peri 140.1927185188769 4.3694e-05 deg
M 318.3468816335528 3.7225e-05 deg
tp 2458828.016846555119
(2019-Dec-10.51684656)
0.00020384 TDB
period 1966.384942401347
5.38
2.3369e-05
6.398e-08
d
yr
n .1830770731799687 2.1757e-09 deg/d
Q 3.319584910986376 2.63e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      7286 days (19.95 yr)  
   first obs. used      1999-03-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:09:22  

Additional Information
 Earth MOID = 1.84663 au 
 Jupiter MOID = 1.70428 au 
 T_jup = 3.199 
[ 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 13.8   n/a MPO337819  
diameter diameter 6.934 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74515 (1999 FL28)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FL28 = 1999 GX51 = 2001 QO18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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