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46796 Mamigasakigawa (1998 KU)
Classification: Main-belt Asteroid          SPK-ID: 2046796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08239549786437091 3.6402e-08  
a 2.303670436379681 8.215e-09 au
q 2.113858363858744 8.3788e-08 au
i 8.05445449416054 4.0225e-06 deg
node 96.45901847652775 2.6437e-05 deg
peri 153.9822989277062 3.8474e-05 deg
M 101.2386938219465 2.5535e-05 deg
tp 2458641.352388296391
(2019-Jun-06.85238830)
9.1116e-05 TDB
period 1277.111895978168
3.50
6.8314e-06
1.87e-08
d
yr
n .2818860282593078 1.5078e-09 deg/d
Q 2.493482508900617 8.8919e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1998-05-19  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:07  

Additional Information
 Earth MOID = 1.10207 au 
 Jupiter MOID = 2.53755 au 
 T_jup = 3.572 
[ 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 14.5   n/a MPO344652  

46796 Mamigasakigawa           Discovered 1998 May 19 by T. Okuni at Nanyo.
Mamigasakigawa is the river that flows through the center of Yamagata City. It is a branch of the Mogami River.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121228/MPCPages.arcLast Updated: 2013-01-02

Alternate Designations
 1998 KU = 2000 AL139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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