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43554 (2001 FW44)
Classification: Main-belt Asteroid          SPK-ID: 2043554
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08098120956573709 3.4978e-08  
a 3.076983541840689 1.8236e-08 au
q 2.827805692808565 1.1549e-07 au
i 9.108914854374063 5.9102e-06 deg
node 17.42657864453406 2.203e-05 deg
peri 86.23281126824665 4.5722e-05 deg
M 312.6667926927111 3.8067e-05 deg
tp 2459459.708727114444
(2021-Sep-02.20872711)
0.00020829 TDB
period 1971.451905960959
5.40
1.7526e-05
4.798e-08
d
yr
n .1826065342560424 1.6233e-09 deg/d
Q 3.326161390872814 1.9712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      9977 days (27.32 yr)  
   first obs. used      1993-11-09  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50884  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:48  

Additional Information
 Earth MOID = 1.86334 au 
 Jupiter MOID = 1.81474 au 
 T_jup = 3.205 
[ 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 14.26   n/a E2021B10  
diameter diameter 5.072 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43554 (2001 FW44)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FW44 = 1993 VU6 = 1998 SA103 = 1999 XV197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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