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6707 Shigeru (1988 VZ3)
Classification: Main-belt Asteroid          SPK-ID: 2006707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782806596831646 1.7251e-08  
a 2.286387530171187 6.0909e-09 au
q 1.878768853000906 3.9602e-08 au
i 6.185059707114681 7.7364e-07 deg
node 272.4075904987124 3.0492e-06 deg
peri 151.0309735574167 6.4623e-06 deg
M 149.4064730276028 6.2163e-06 deg
tp 2458872.429029218644
(2020-Jan-23.92902922)
2.1322e-05 TDB
period 1262.766904660364
3.46
5.0459e-06
1.381e-08
d
yr
n .2850882444506464 1.1392e-09 deg/d
Q 2.694006207341467 7.1767e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2142  
   data-arc span      25776 days (70.57 yr)  
   first obs. used      1950-12-11  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43851  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 11:54:53  

Additional Information
 Earth MOID = .894755 au 
 Jupiter MOID = 2.61466 au 
 T_jup = 3.573 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457450.5 (2016-Mar-03.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773178175509875 1.7155e-08  
q 1.881641101482944 3.9325e-08 au
tp 2457607.494725090191
(2016-Aug-06.99472509)
2.1154e-05 TDB
node 272.5063114091424 3.0536e-06 deg
peri 150.6118292310658 6.5081e-06 deg
i 6.177096707767868 7.7302e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2142  
   data-arc span      25776 days (70.57 yr)  
   first obs. used      1950-12-11  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43851  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 11:54:53  

Additional Information
 Jupiter MOID = 2.61466 au 
 T_jup = 3.573 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.94290902236421E-16 -6.691529363207884E-16 -1.824669285566135E-14 3.521724167993748E-16 1.949341744865191E-14 -7.129469566982123E-16
q -6.691529363207884E-16 1.546469480468958E-15 3.658121897318866E-14 -7.61609428385434E-16 -4.729311063608322E-14 1.613088308804761E-15
tp -1.824669285566135E-14 3.658121897318866E-14 4.475028537515033E-10 -5.481438298526799E-12 1.157009634706741E-10 -1.585012499278558E-12
node 3.521724167993748E-16 -7.61609428385434E-16 -5.481438298526799E-12 9.324387157972393E-12 -1.095523779321674E-11 1.571325674000308E-12
peri 1.949341744865191E-14 -4.729311063608322E-14 1.157009634706741E-10 -1.095523779321674E-11 4.235571260269525E-11 -2.030986169405217E-12
i -7.129469566982123E-16 1.613088308804761E-15 -1.585012499278558E-12 1.571325674000308E-12 -2.030986169405217E-12 5.975600055393898E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.30   n/a MPO636166  
diameter diameter 3.142 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.6156 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.449   0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6707 Shigeru           Discovered 1988 Nov. 13 by M. Yanai and K. Watanabe at Kitami.
Named in honor of Shigeru Nakano (b. 1918), doctor of medicine specializing in obstetrics and gynecology and in medical jurisprudence. An amateur astronomer, he has published many observational guidebooks and star atlases, including the most detailed one in Japan. Name proposed by the discoverers following a suggestion by A. Fujii and T. Sato.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980411/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1988 VZ3 = 1981 TV1 = 1981 WV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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