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JPL Small-Body Database Browser
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46643 Yanase (1995 KM)
Classification: Main-belt Asteroid          SPK-ID: 2046643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09100066289299466 4.8607e-08  
a 2.977691659367862 2.2789e-08 au
q 2.706719744474445 1.4934e-07 au
i 10.10336013561377 5.6028e-06 deg
node 220.3131820688347 2.7223e-05 deg
peri 215.3555647986216 3.9083e-05 deg
M 9.877413123525647 2.7333e-05 deg
tp 2458549.005750689270
(2019-Mar-06.50575069)
0.0001425 TDB
period 1876.800081157887
5.14
2.1546e-05
5.899e-08
d
yr
n .1918158484828597 2.202e-09 deg/d
Q 3.248663574261279 2.4863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      8898 days (24.36 yr)  
   first obs. used      1995-05-23  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:12  

Additional Information
 Earth MOID = 1.72777 au 
 Jupiter MOID = 2.08205 au 
 T_jup = 3.231 
[ 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 13.9   n/a MPO459174  
diameter diameter 6.036 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.852 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.146   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46643 Yanase           Discovered 1995 May 23 by A. Nakamura at Kuma Kogen.
Takashi Yanase (b. 1919) is one of the most renowned cartoonists in Japan. Since the 1940s he has created many works, including his immortal masterpiece "Anpanman". Yanase serves as an honorary director of the Anpanman Museum, which was constructed by his hometown, Kahoku, Kochi Prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1995 KM = 2000 GK99 
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