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JPL Small-Body Database Browser
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59108 (1998 WG27)
Classification: Main-belt Asteroid          SPK-ID: 2059108
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 .1048529504981242 3.7152e-08  
a 2.306275765931444 6.7612e-09 au
q 2.064455947211211 8.5891e-08 au
i 3.215633528209178 3.997e-06 deg
node 94.53585060390637 6.9897e-05 deg
peri 40.49136501289522 7.2997e-05 deg
M 22.95230003278405 1.927e-05 deg
tp 2458918.937788706462
(2020-Mar-10.43778871)
6.8457e-05 TDB
period 1279.279027536836
3.50
5.6256e-06
1.54e-08
d
yr
n .2814085060810816 1.2375e-09 deg/d
Q 2.548095584651677 7.4702e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1199  
   data-arc span      8718 days (23.87 yr)  
   first obs. used      1996-03-21  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:42:34  

Additional Information
 Earth MOID = 1.07978 au 
 Jupiter MOID = 2.47225 au 
 T_jup = 3.578 
[ 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 15.4   n/a MPO351252  
diameter diameter 4.939 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.37022 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.047   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59108 (1998 WG27)          Discovered 1998-Nov-17 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WG27 = 1996 FZ14 = 1999 CY158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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