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20052 (1993 FS27)
Classification: Main-belt Asteroid          SPK-ID: 2020052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07929867307853421 4.0315e-08  
a 2.734885453073046 1.3194e-08 au
q 2.518012665622567 1.1149e-07 au
i 6.037255997793957 4.2251e-06 deg
node 211.2183800303093 3.7832e-05 deg
peri 156.2941017975586 4.4461e-05 deg
M 224.3294900626017 2.5099e-05 deg
tp 2459823.072732221674
(2022-Aug-31.57273222)
0.00011673 TDB
period 1651.988952523435
4.52
1.1955e-05
3.273e-08
d
yr
n .2179191328429257 1.577e-09 deg/d
Q 2.951758240523524 1.424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      10165 days (27.83 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:09  

Additional Information
 Earth MOID = 1.51702 au 
 Jupiter MOID = 2.43078 au 
 T_jup = 3.340 
[ 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 13.96   n/a E2021B10  
diameter diameter 4.652 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.483 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.270   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20052 (1993 FS27)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FS27 = 1995 WP42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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