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85227 (1993 FT40)
Classification: Main-belt Asteroid          SPK-ID: 2085227
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09550661190188646 4.5993e-08  
a 3.077553385248809 2.5993e-08 au
q 2.783626688476514 1.454e-07 au
i 4.127282966401454 5.4366e-06 deg
node 171.9532579248948 6.4156e-05 deg
peri 164.9339597464944 6.9377e-05 deg
M 226.9222144343021 2.8437e-05 deg
tp 2459729.470383911976
(2022-May-29.97038391)
0.00016018 TDB
period 1971.999587254591
5.40
2.4983e-05
6.84e-08
d
yr
n .1825558191425336 2.3128e-09 deg/d
Q 3.371480082021104 2.8475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      9901 days (27.11 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:31  

Additional Information
 Earth MOID = 1.77452 au 
 Jupiter MOID = 1.98152 au 
 T_jup = 3.218 
[ 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 15.2   n/a MPO436371  
diameter diameter 5.359 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85227 (1993 FT40)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 FT40 = 2000 QC220 = 2004 GN51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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