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9198 Sasagamine (1993 BJ3)
Classification: Main-belt Asteroid          SPK-ID: 2009198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08947884066175886 2.5491e-08  
a 2.257028869900886 5.6765e-09 au
q 2.055072543282035 5.7502e-08 au
i 1.197311772979422 3.148e-06 deg
node 172.3587948322981 0.00013642 deg
peri 305.7450405747737 0.00013769 deg
M 39.75394956735439 1.7908e-05 deg
tp 2458863.732823917817
(2020-Jan-15.23282392)
6.1634e-05 TDB
period 1238.52306312775
3.39
4.6724e-06
1.279e-08
d
yr
n .290668789881765 1.0966e-09 deg/d
Q 2.458985196519738 6.1844e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2342  
   data-arc span      15126 days (41.41 yr)  
   first obs. used      1978-11-30  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:08:33  

Additional Information
 Earth MOID = 1.07146 au 
 Jupiter MOID = 2.59135 au 
 T_jup = 3.617 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO502239  
diameter diameter 3.584 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9198 Sasagamine           Discovered 1993 Jan. 25 by T. Seki at Geisei.
Some 1860 m above sea level, Sasagamine is a mountain in the central part of the Shikoku range.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1993 BJ3 = 1978 WQ16 = 1990 HT4 = 1992 YJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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