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85218 (1993 FW5)
Classification: Main-belt Asteroid          SPK-ID: 2085218
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021442013384132 4.6262e-08  
a 3.038218525079566 2.4969e-08 au
q 2.424060267835785 1.4249e-07 au
i 13.96188317325355 7.8868e-06 deg
node 11.52768530608656 2.0803e-05 deg
peri 287.6921695106247 2.9112e-05 deg
M 308.5220735066534 2.2816e-05 deg
tp 2459277.095737241958
(2021-Mar-03.59573724)
0.00012399 TDB
period 1934.313834881728
5.30
2.3845e-05
6.528e-08
d
yr
n .1861125084813406 2.2943e-09 deg/d
Q 3.652376782323346 3.0016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      9903 days (27.11 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:30  

Additional Information
 Earth MOID = 1.45365 au 
 Jupiter MOID = 1.89213 au 
 T_jup = 3.165 
[ 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 14.8   n/a MPO250927  
diameter diameter 5.690 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85218 (1993 FW5)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 FW5 = 2000 SY109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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