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4353 Onizaki (1989 WK1)
Classification: Main-belt Asteroid          SPK-ID: 2004353
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096860171941254 9.7604e-09  
a 2.34628189842526 6.9554e-09 au
q 2.088927581772321 2.5256e-08 au
i 9.001057273197283 8.3642e-07 deg
node 79.05272694065596 2.7273e-06 deg
peri 196.9541098741174 1.0758e-05 deg
M 20.07125354535553 1.1663e-05 deg
tp 2459127.311860321519
(2020-Oct-04.81186032)
4.2509e-05 TDB
period 1312.709753016401
3.59
5.8372e-06
1.598e-08
d
yr
n .2742418871900483 1.2195e-09 deg/d
Q 2.603636215078198 7.7183e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2988  
   data-arc span      32507 days (89.00 yr)  
   first obs. used      1931-10-10  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:14:39  

Additional Information
 Earth MOID = 1.07251 au 
 Jupiter MOID = 2.48464 au 
 T_jup = 3.536 
[ 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 12.40   n/a MPCxxxxx  
diameter diameter 11.239 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.4296 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polakis, T. (2020) Minor Planet Bull. 47, 314-321.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.183   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Xe   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4353 Onizaki (1989 WK1)          Discovered 1989-Nov-25 by Mizuno and Furuta at Kani
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 WK1 = 1931 TF3 = 1934 LP = 1941 KE = 1956 SE = 1966 JA = 1978 VZ15 = 1981 NO1 = 1984 KE1 = 1987 AY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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