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15791 Yoshiewatanabe (1993 TM1)
Classification: Main-belt Asteroid          SPK-ID: 2015791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027199220331375 1.3723e-08  
a 2.379564500463143 7.4293e-09 au
q 1.897179370456433 3.2798e-08 au
i 3.35343915456926 3.1908e-07 deg
node 77.15423409476087 4.0771e-06 deg
peri 340.8581236492853 5.267e-06 deg
M 121.6916070010488 3.0194e-06 deg
tp 2458747.286566361370
(2019-Sep-20.78656636)
1.0283e-05 TDB
period 1340.740254243669
3.67
6.279e-06
1.719e-08
d
yr
n .2685083847229464 1.2575e-09 deg/d
Q 2.861949630469853 8.9354e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1723  
   data-arc span      10972 days (30.04 yr)  
   first obs. used      1991-02-21  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:09:01  

Additional Information
 Earth MOID = .909139 au 
 Jupiter MOID = 2.48236 au 
 T_jup = 3.509 
[ 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 14.27   n/a E2021B10  
diameter diameter 3.266 km 0.478 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.316   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15791 Yoshiewatanabe           Discovered 1993 Oct. 15 by K. Endate and K. Watanabe at Kitami.
Yoshie Watanabe (b. 1963) is a Japanese writer for popular Japanese astronomy magazines. She has published, with her husband Junichi, several popular books on astronomy and general science.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

[ show close-approach data ]
Alternate Designations
 1993 TM1 = 1999 JZ108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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