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11321 Tosimatumoto (1995 DE1)
Classification: Main-belt Asteroid          SPK-ID: 2011321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08310703913686136 1.5743e-08  
a 3.019741875624119 1.6246e-08 au
q 2.768780069383406 5.3792e-08 au
i 9.544340877127787 5.3375e-07 deg
node 350.0953135296351 6.0355e-06 deg
peri 305.5431943209115 1.7788e-05 deg
M 217.0787503177173 2.0331e-05 deg
tp 2459961.434829916417
(2023-Jan-16.93482992)
0.00010966 TDB
period 1916.695658475401
5.25
1.5467e-05
4.235e-08
d
yr
n .1878232459118498 1.5157e-09 deg/d
Q 3.270703681864831 1.7596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2232  
   data-arc span      16252 days (44.50 yr)  
   first obs. used      1976-09-24  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43731  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:56:15  

Additional Information
 Earth MOID = 1.76488 au 
 Jupiter MOID = 1.99778 au 
 T_jup = 3.220 
[ 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 12.84   n/a MPCxxxxx  
diameter diameter 9.189 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.80 h n/a LCDB (Rev. 2020-October); 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:
[Hasegawa, S.; Miyaska, S.; Mito, H.; Sarugaku, Y.; et al. (2014) Pub. Astron. Soc. Japan 66, 54.]
geometric albedo albedo 0.191   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11321 Tosimatumoto           Discovered 1995 Feb. 21 by T. Seki at Geisei.
Tosikazu Matumoto (b. 1941), a comet hunter in Takefu, Fukui prefecture, is manager of the comet section of the Oriental Astronomical Association and a key member of "Yatsusugi-Tentai-Kansokujo", an astronomical observation group.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1995 DE1 = 1976 SD2 = 1991 NY1 = 1992 UU10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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