Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
15791 Yoshiewatanabe (1993 TM1)
Classification: Main-belt Asteroid          SPK-ID: 2015791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457277.5 (2015-Sep-12.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012288574662485 1.343e-08  
q 1.901547307344247 3.1642e-08 au
tp 2457404.306897492091
(2016-Jan-16.80689749)
9.5033e-06 TDB
node 77.20876028587482 4.0513e-06 deg
peri 340.5192723172209 5.2085e-06 deg
i 3.351443274486244 3.1476e-07 deg
  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
 Jupiter MOID = 2.48354 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.803690601550235E-16 -4.183853889614206E-16 1.244842185776613E-15 2.98705794047475E-14 -1.887554420291644E-14 -2.949193505016036E-15
q -4.183853889614206E-16 1.001215770220111E-15 -1.131917107075418E-14 -7.087475448609988E-14 4.139716786988517E-14 7.008931750874363E-15
tp 1.244842185776613E-15 -1.131917107075418E-14 9.031217413749079E-11 -4.999095973253638E-12 3.741154807002868E-11 -3.697295837848939E-13
node 2.98705794047475E-14 -7.087475448609988E-14 -4.999095973253638E-12 1.641328275694794E-11 -1.541588841826845E-11 -8.482506104210012E-13
peri -1.887554420291644E-14 4.139716786988517E-14 3.741154807002868E-11 -1.541588841826845E-11 2.712799518299665E-11 5.827823807862898E-13
i -2.949193505016036E-15 7.008931750874363E-15 -3.697295837848939E-13 -8.482506104210012E-13 5.827823807862898E-13 9.907491685632891E-14

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 03:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin