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5960 Wakkanai (1989 US)
Classification: Main-belt Asteroid          SPK-ID: 2005960
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541908158115922 9.9493e-09  
a 2.188368296320376 4.9692e-09 au
q 1.850942003414513 2.1371e-08 au
i 4.318226772102623 4.9714e-07 deg
node 43.49269919315485 9.3156e-06 deg
peri 330.9658047770026 9.4311e-06 deg
M 234.1545416864988 4.6256e-06 deg
tp 2459613.846338006985
(2022-Feb-03.34633801)
1.5789e-05 TDB
period 1182.439824819251
3.24
4.0275e-06
1.103e-08
d
yr
n .3044552394495254 1.037e-09 deg/d
Q 2.52579458922624 5.7354e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3563  
   data-arc span      17011 days (46.57 yr)  
   first obs. used      1973-12-20  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 18:10:18  

Additional Information
 Earth MOID = .852025 au 
 Jupiter MOID = 2.93824 au 
 T_jup = 3.656 
[ 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 13.84   n/a E2021B10  
diameter diameter 4.665 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.961 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:
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.295   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5960 Wakkanai (1989 US)          Discovered 1989-Oct-21 by Mukai and Takeishi at Kagoshima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 US = 1934 VK = 1973 YU1 = 1976 UD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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