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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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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08939858229941293 1.3665e-08  
a 2.256727184108415 5.5077e-09 au
q 2.054978973212576 3.179e-08 au
i 1.197398878611308 9.3451e-07 deg
node 172.3589958848839 2.8793e-05 deg
peri 305.672204228647 3.0426e-05 deg
M 97.9711444582195 1.0754e-05 deg
tp 2458863.513348687778
(2020-Jan-15.01334869)
3.6898e-05 TDB
period 1238.274750624515
3.39
4.5331e-06
1.241e-08
d
yr
n .2907270779917273 1.0643e-09 deg/d
Q 2.458475395004254 6.0001e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2423  
   data-arc span      15169 days (41.53 yr)  
   first obs. used      1978-11-30  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:13:46  

Additional Information
 Earth MOID = 1.07129 au 
 Jupiter MOID = 2.59126 au 
 T_jup = 3.617 
[ 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 14.32   n/a E2021B10  
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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