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JPL Small-Body Database Browser
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185744 Hogan (1999 FK90)
Classification: Main-belt Asteroid          SPK-ID: 2185744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2423340052361502 5.0529e-08  
a 2.884911625618988 1.8768e-08 au
q 2.185799436630406 1.4463e-07 au
i 13.49296052063369 4.5984e-06 deg
node 14.38667365550625 2.3529e-05 deg
peri 68.67903734343899 2.5559e-05 deg
M 195.6299939060416 1.0083e-05 deg
tp 2459817.679132757771
(2022-Aug-26.17913276)
5.4363e-05 TDB
period 1789.769890405879
4.90
1.7465e-05
4.782e-08
d
yr
n .2011431759634531 1.9628e-09 deg/d
Q 3.584023814607571 2.3316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      9189 days (25.16 yr)  
   first obs. used      1994-04-03  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:09:21  

Additional Information
 Earth MOID = 1.24178 au 
 Jupiter MOID = 1.94924 au 
 T_jup = 3.209 
[ 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 15.7   n/a MPO475564  

185744 Hogan           Discovered 1999 Mar. 21 by the Sloan Digital Sky Survey at Apache Point.
Craig Hogan (b. 1955), is an American astrophysicist and a contributor to the Sloan Digital Sky Survey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-01-16Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 1999 FK90 = 2004 HT6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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