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11579 Tsujitsuka (1994 JN)
Classification: Main-belt Asteroid          SPK-ID: 2011579
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010551561739602 1.1513e-08  
a 2.586976634626819 7.8183e-09 au
q 2.066851643333538 2.9628e-08 au
i 13.58766420170812 3.5615e-07 deg
node 201.242247985064 2.3367e-06 deg
peri 87.99697180259744 6.4309e-06 deg
M 99.10381540555845 4.8004e-06 deg
tp 2458782.116007268566
(2019-Oct-25.61600727)		 1.9344e-05 TDB
period 1519.802610696143
4.16		 6.8897e-06
1.886e-08		 d
yr
n .2368728659013835 1.0738e-09 deg/d
Q 3.107101625920099 9.3902e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      11163 days (30.56 yr)  
   first obs. used      1990-07-20  
   last obs. used      2021-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:43:29  

Additional Information
 Earth MOID = 1.10319 au 
 Jupiter MOID = 2.20886 au 
 T_jup = 3.354 
[ 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 13.78   n/a E2021B10  
diameter diameter 5.155 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 56.6 h n/a LCDB (Rev. 2020-October); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.241   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11579 Tsujitsuka           Discovered 1994 May 6 by K. Endate and K. Watanabe at Kitami.
Takashi Tsujitsuka (b. 1961) is an elementary school teacher and a well-known amateur astronomer in Fukuoka prefecture. His main interests lie in observing stellar occultations at his private observatory, where he also indulges in his favorite pastime of polishing mirrors for reflecting telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1994 JN = 1990 OJ1 
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