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85224 (1993 FT28)
Classification: Main-belt Asteroid          SPK-ID: 2085224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508891911958774 4.9143e-08  
a 2.35748916043073 1.1784e-08 au
q 2.001769527760289 1.1309e-07 au
i 4.869903490893027 5.206e-06 deg
node 222.3137403558702 4.8911e-05 deg
peri 12.21215778962223 5.1035e-05 deg
M 148.1277639729173 1.4789e-05 deg
tp 2458456.489916000366
(2018-Dec-03.98991600)
5.2788e-05 TDB
period 1322.126419701271
3.62
9.9132e-06
2.714e-08
d
yr
n .2722886364235431 2.0416e-09 deg/d
Q 2.713208793101171 1.3562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      9674 days (26.49 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52794  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:38  

Additional Information
 Earth MOID = .990883 au 
 Jupiter MOID = 2.2825 au 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO436371  
diameter diameter 2.847 km 1.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85224 (1993 FT28)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1993 FT28 = 1998 TX25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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