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27800 (1993 FA28)
Classification: Main-belt Asteroid          SPK-ID: 2027800
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09031689691372459 3.4576e-08  
a 2.266995914783508 7.58e-09 au
q 2.062247878444171 7.7746e-08 au
i 4.666655079839718 4.1309e-06 deg
node 341.4115137132716 4.2282e-05 deg
peri 51.97135982644753 4.78e-05 deg
M 134.8010871437511 2.1973e-05 deg
tp 2458533.662830634818
(2019-Feb-19.16283063)
7.5733e-05 TDB
period 1246.736094882127
3.41
6.253e-06
1.712e-08
d
yr
n .2887539724548012 1.4482e-09 deg/d
Q 2.471743951122845 8.2646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      9893 days (27.09 yr)  
   first obs. used      1993-03-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:23:25  

Additional Information
 Earth MOID = 1.07137 au 
 Jupiter MOID = 2.85131 au 
 T_jup = 3.606 
[ 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 15.3   n/a MPO358889  
diameter diameter 2.226 km 0.491 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27800 (1993 FA28)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FA28 = 1998 VL32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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