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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644460551580107 4.0134e-08  
a 2.598881876905529 1.8075e-08 AU
q 2.171506004426768 1.0751e-07 AU
i 1.760057327310961 4.5427e-06 deg
node 310.8301189632177 0.00019245 deg
peri 358.6224879678941 0.00019325 deg
M 322.962769623237 2.3402e-05 deg
tp 2457157.939695070993
(2015-May-15.43969507)
0.00010027 JED
period 1530.30584762939
4.19
1.5965e-05
4.371e-08
d
yr
n .235247091656664 2.4542e-09 deg/d
Q 3.026257749384289 2.1047e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      9216 days (25.23 yr)  
   first obs. used      1989-04-01  
   last obs. used      2014-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54481  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:02:15  

Additional Information
 Earth MOID = 1.15793 AU 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO302101  
rotation period rot_per 3.28 h n/a LCDB (Rev. 2015-Feb); 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.]

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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