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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0788048290251166 4.0724e-08  
a 2.736214681072239 1.4626e-08 au
q 2.520587750954328 1.1341e-07 au
i 6.036190775992827 4.4769e-06 deg
node 211.2294836147878 4.1433e-05 deg
peri 156.4569871423376 4.925e-05 deg
M 93.44389237583931 2.6951e-05 deg
tp 2458171.386577025342
(2018-Feb-21.88657703)
0.00012349 TDB
period 1653.193465545524
4.53
1.3255e-05
3.629e-08
d
yr
n .2177603574553245 1.746e-09 deg/d
Q 2.951841611190151 1.5778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      9478 days (25.95 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:35:17  

Additional Information
 Earth MOID = 1.5203 au 
 Jupiter MOID = 2.43028 au 
 T_jup = 3.339 
[ 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 13.9   n/a MPO337427  
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. 2019-January); 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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