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JPL Small-Body Database Browser
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6102 Visby (1993 FQ25)
Classification: Main-belt Asteroid          SPK-ID: 2006102
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639762946268969 3.4715e-08  
a 2.599621939697921 9.8827e-09 au
q 2.173345566595469 9.1785e-08 au
i 1.760015582702977 3.8672e-06 deg
node 310.7135633315476 0.00011825 deg
peri 358.2334703335696 0.00011899 deg
M 339.8195944638171 1.1482e-05 deg
tp 2458686.320512918973
(2019-Jul-21.82051292)
4.8707e-05 TDB
period 1530.959553584566
4.19
8.7301e-06
2.39e-08
d
yr
n .2351466432650696 1.3409e-09 deg/d
Q 3.025898312800372 1.1503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1905  
   data-arc span      11171 days (30.58 yr)  
   first obs. used      1989-04-01  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:51:45  

Additional Information
 Earth MOID = 1.1579 au 
 Jupiter MOID = 2.22422 au 
 T_jup = 3.395 
[ 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 13.8   n/a MPO435757  
diameter diameter 4.473 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.28 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:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.292   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6102 Visby           Discovered 1993 Mar. 21 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Visby is a city, still surrounded by a medieval wall, on the Swedish island of Gotland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1993 FQ25 = 1990 TV11 = 1991 YQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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