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175031 (2004 FF44)
Classification: Main-belt Asteroid          SPK-ID: 2175031
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08448237997028556 5.7749e-08  
a 2.92375150964474 2.7846e-08 au
q 2.676746023668238 1.6272e-07 au
i 4.951375777859607 6.428e-06 deg
node 348.629712769196 5.778e-05 deg
peri 229.1627882240872 7.2742e-05 deg
M 100.2876679799008 3.9395e-05 deg
tp 2458691.808890622016
(2019-Jul-27.30889062)		 0.00020121 TDB
period 1826.035075546638
5.00		 2.6087e-05
7.142e-08		 d
yr
n .1971484583297126 2.8165e-09 deg/d
Q 3.170756995621244 3.0198e-08 au
   Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:04:01  

Additional Information
 Earth MOID = 1.67193 au 
 Jupiter MOID = 1.81778 au 
 T_jup = 3.268 
[ 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 15.45   n/a E2021B55  
diameter diameter 3.141 km 0.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175031 (2004 FF44)          Discovered 2004-Mar-16 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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