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4904 Makio (1989 WZ)
Classification: Main-belt Asteroid          SPK-ID: 2004904
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 .129250400411544 2.1247e-08  
a 2.388641437140746 7.5607e-09 au
q 2.079908574950699 5.1263e-08 au
i 10.12095899698199 7.705e-07 deg
node 228.9335355876806 3.2841e-06 deg
peri 266.4053659005614 5.3528e-06 deg
M 89.83952506147894 4.0812e-06 deg
tp 2458863.996321227902
(2020-Jan-15.49632123)
1.4951e-05 TDB
period 1348.41902019246
3.69
6.4022e-06
1.753e-08
d
yr
n .2669793251274499 1.2676e-09 deg/d
Q 2.697374299330793 8.5379e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2494  
   data-arc span      16961 days (46.44 yr)  
   first obs. used      1974-10-11  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:56:19  

Additional Information
 Earth MOID = 1.12254 au 
 Jupiter MOID = 2.42175 au 
 T_jup = 3.501 
[ 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 12.65   n/a E2021B10  
diameter diameter 6.992 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.825 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Oey, J. (2010) Minor Planet Bull. 37, 135-136.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.329   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4904 Makio (1989 WZ)          Discovered 1989-Nov-21 by Mizuno and Furuta at Kani
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 WZ = 1974 TB = 1974 WC = 1980 KF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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