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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636693910245344 3.4348e-08  
a 2.598940191659814 9.6139e-09 au
q 2.173573233181666 9.0609e-08 au
i 1.760326384520756 3.8187e-06 deg
node 310.7092229635847 0.00011697 deg
peri 358.2889962342827 0.0001177 deg
M 73.87253099774331 1.1195e-05 deg
tp 2458686.468413621266
(2019-Jul-21.96841362)
4.7989e-05 TDB
period 1530.357354343224
4.19
8.4915e-06
2.325e-08
d
yr
n .2352391740257944 1.3053e-09 deg/d
Q 3.024307150137962 1.1187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2050  
   data-arc span      11536 days (31.58 yr)  
   first obs. used      1989-04-01  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5126  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:38:22  

Additional Information
 Earth MOID = 1.15894 au 
 Jupiter MOID = 2.22789 au 
 T_jup = 3.396 
[ 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 13.9   n/a MPO502212  
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-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1984-Dec-04 08:49 < 00:01 Amphi 0.0313540147784633 0.0313529885097973 0.0313550412040775 4.0100377479115 4.01003770218885 2446038.867052539 0.349242882437832 158.795470270455 34.6614895001396 75.9531629014202 131402.786693445 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:38:28 2020-Nov-13 03:38

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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