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JPL Small-Body Database Browser
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6720 Gifu (1990 VP2)
Classification: Main-belt Asteroid          SPK-ID: 2006720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150655905132438 4.0621e-08  
a 3.090751300912692 1.4805e-08 au
q 2.62511136613443 1.2534e-07 au
i 14.85761824152555 4.8877e-06 deg
node 50.38567435491309 1.459e-05 deg
peri 10.51675573031506 2.0142e-05 deg
M 145.3479865211179 1.3638e-05 deg
tp 2458199.189124437011
(2018-Mar-21.68912444)
7.3891e-05 TDB
period 1984.698392507579
5.43
1.426e-05
3.904e-08
d
yr
n .1813877621703295 1.3033e-09 deg/d
Q 3.556391235690953 1.7036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2079  
   data-arc span      28568 days (78.21 yr)  
   first obs. used      1941-11-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:10:33  

Additional Information
 Earth MOID = 1.63877 au 
 Jupiter MOID = 1.83283 au 
 T_jup = 3.156 
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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 12.3   n/a MPO473859  
diameter diameter 21.191 km 0.869 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.231 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Han, X.L.; Li, B.; Zhao, H.; Liu. W.; et al. (2013) Minor Planet Bull. 40, 99-100.]
geometric albedo albedo 0.099   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6720 Gifu           Discovered 1990 Nov. 11 by T. Seki at Geisei.
Named for the city of 400 000, capital of the prefecture of the same name, site of ancient battlefields and a modern public observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1990 VP2 = 1941 WD = 1979 WM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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