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123974 (2001 FW28)
Classification: Main-belt Asteroid          SPK-ID: 2123974
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571381839422082 4.22e-08  
a 3.159117383977409 2.5075e-08 au
q 2.662699415398939 1.3222e-07 au
i 6.322896650522559 5.3628e-06 deg
node 57.86284751310513 5.0089e-05 deg
peri 204.291039292928 5.345e-05 deg
M 91.34335695994776 1.9083e-05 deg
tp 2458480.118870422286
(2018-Dec-27.61887042)
0.00010805 TDB
period 2050.912216091648
5.62
2.4418e-05
6.685e-08
d
yr
n .1755316474178693 2.0899e-09 deg/d
Q 3.655535352555879 2.9015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      7215 days (19.75 yr)  
   first obs. used      2000-01-31  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:28:20  

Additional Information
 Earth MOID = 1.64888 au 
 Jupiter MOID = 1.42311 au 
 T_jup = 3.177 
[ 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 14.6   n/a MPO320401  
diameter diameter 6.781 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123974 (2001 FW28)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 FW28 = 2002 LK54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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