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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635326517343518 3.3129e-08  
a 2.599897401818244 9.1953e-09 au
q 2.174729285461655 8.6858e-08 au
i 1.760191681159327 3.683e-06 deg
node 310.7118374556915 0.00011275 deg
peri 358.4174266645373 0.00011337 deg
M 166.8538066976488 1.0463e-05 deg
tp 2458686.813799840036
(2019-Jul-22.31379984)
4.4959e-05 TDB
period 1531.202896200912
4.19
8.1234e-06
2.224e-08
d
yr
n .235109273168958 1.2473e-09 deg/d
Q 3.025065518174833 1.0699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2173  
   data-arc span      11652 days (31.90 yr)  
   first obs. used      1989-04-01  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50378  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 18:20:18  

Additional Information
 Earth MOID = 1.15954 au 
 Jupiter MOID = 2.22628 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 13.89   n/a MPCxxxxx  
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. 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:
[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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