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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09093398589551667 3.7513e-08  
a 2.97672865941012 1.9504e-08 au
q 2.70604285748054 1.0828e-07 au
i 10.10342799941917 4.2927e-06 deg
node 220.3024985511302 2.6398e-05 deg
peri 215.1412167242868 3.862e-05 deg
M 86.8299533954805 2.6934e-05 deg
tp 2458548.046067521710
0.00014073 TDB
period 1875.889705368224
n .1919089373803747 1.8861e-09 deg/d
Q 3.2474144613397 2.1277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      9106 days (24.93 yr)  
   first obs. used      1995-05-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:34:30  

Additional Information
 Earth MOID = 1.72722 au 
 Jupiter MOID = 2.08338 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] (  
rotation period rot_per 5.852 h n/a LCDB (Rev. 2019-August); 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] (  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2093-Jun-02 23:32 00:03 Psych 0.0473472936632994 0.0473286614415768 0.0473659259039946 3.12824321317848 3.12824313149062 2485666.480547089 2.71322387409915 928.712421553446 48.922050474493 2.75771953832226 10305.8013368744 T 30 CATAB v2.0f-lin.ifort 2020-May-20 09:34:43 2020-May-20 09:34

Alternate Designations
 1995 KM = 2000 GK99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Aug-08 18:34 UT
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