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7019 Tagayuichan (1992 EM1)
Classification: Main-belt Asteroid          SPK-ID: 2007019
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567319637055695 4.0346e-08  
a 2.364857007474914 1.3215e-08 AU
q 1.994208324810494 9.5007e-08 AU
i 11.41668603245209 5.5673e-06 deg
node 100.5919208080725 3.8091e-05 deg
peri 26.60809919661414 4.7986e-05 deg
M 135.1416747652914 2.9894e-05 deg
tp 2456501.853756392402
(2013-Jul-28.35375639)
0.00010875 JED
period 1328.329310780747
3.64
1.1134e-05
3.048e-08
d
yr
n .2710171318800488 2.2716e-09 deg/d
Q 2.735505690139334 1.5286e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      16539 days (45.28 yr)  
   first obs. used      1970-03-13  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5422  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:55:46  

Additional Information
 Earth MOID = 1.01634 AU 
 T_jup = 3.506 
[ 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 13.4 mag n/a MPO256916  
diameter diameter 10.22 km 0.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
rotation period rot_per 39.7954 h n/a LCDB (Rev. 2015-July); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]
geometric albedo albedo 0.0889   0.014 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4

7019 Tagayuichan           Discovered 1992 Mar. 8 by A. Sugie at Dynic Astronomical Observatory.
Tagayuichan, a little girl dressed as a shrine maiden, is the official mascot of Taga Town in Shiga Prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111012/MPCPages.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 1992 EM1 = 1970 EF1 = 1994 WY3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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