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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026353413245016 3.4928e-08  
a 2.379938659224178 7.877e-09 au
q 1.897678976680909 8.2192e-08 au
i 3.353407810519832 3.7057e-06 deg
node 77.15834361090185 6.3253e-05 deg
peri 340.8987042834806 6.3924e-05 deg
M 67.95551626582689 8.1358e-06 deg
tp 2458747.355038495798
(2019-Sep-20.85503850)
3.0305e-05 TDB
period 1341.056490322639
3.67
6.6579e-06
1.823e-08
d
yr
n .2684450674508045 1.3327e-09 deg/d
Q 2.862198341767446 9.4732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1541  
   data-arc span      10575 days (28.95 yr)  
   first obs. used      1991-02-21  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:00  

Additional Information
 Earth MOID = .910358 au 
 Jupiter MOID = 2.48123 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 14.2   n/a MPO350929  
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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