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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028361524995216 1.3514e-08  
a 2.379229397857453 7.0007e-09 au
q 1.896635660882293 3.1887e-08 au
i 3.353566111447206 3.1502e-07 deg
node 77.15230176667818 4.0472e-06 deg
peri 340.8245932346122 5.1755e-06 deg
M 174.3685651693199 3.1547e-06 deg
tp 2458747.240076819565
(2019-Sep-20.74007682)
1.0201e-05 TDB
period 1340.457049227828
3.67
5.9163e-06
1.62e-08
d
yr
n .2685651138224672 1.1853e-09 deg/d
Q 2.861823134832612 8.4207e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1970  
   data-arc span      11100 days (30.39 yr)  
   first obs. used      1991-02-21  
   last obs. used      2021-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:03:46  

Additional Information
 Earth MOID = .908907 au 
 Jupiter MOID = 2.48354 au 
 T_jup = 3.509 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.31   n/a MPO636301  
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

Alternate Designations
 1993 TM1 = 1999 JZ108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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