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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565737632090418 4.0153e-08  
a 2.36476895705831 1.3219e-08 au
q 1.99450818233177 9.4538e-08 au
i 11.41538532831956 5.0662e-06 deg
node 100.5807535866403 3.3503e-05 deg
peri 26.72369179848036 4.2263e-05 deg
M 297.6068241619338 2.7783e-05 deg
tp 2457830.705709956691
(2017-Mar-18.20570996)
0.00010349 JED
period 1328.255125199883
3.64
1.1138e-05
3.049e-08
d
yr
n .2710322687035183 2.2726e-09 deg/d
Q 2.735029731784851 1.5289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      16691 days (45.70 yr)  
   first obs. used      1970-03-13  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:02:17  

Additional Information
 Earth MOID = 1.01517 au 
 Jupiter MOID = 2.36603 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 13.5 mag n/a MPO347581  
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. 2016-February); 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. (2016) Astron. J. 150, A75.]
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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