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JPL Small-Body Database Browser
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66935 (1999 WZ1)
Classification: Main-belt Asteroid          SPK-ID: 2066935
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2911914427134352 4.3429e-08  
a 2.746006597601513 1.1733e-08 au
q 1.946392974745317 1.2121e-07 au
i 7.867793523822772 4.6645e-06 deg
node 246.4575444161667 3.5791e-05 deg
peri 146.7736322808926 3.6458e-05 deg
M 197.3044286191301 7.7197e-06 deg
tp 2459751.645417506902
(2022-Jun-21.14541751)
3.8157e-05 TDB
period 1662.075666887393
4.55
1.0652e-05
2.916e-08
d
yr
n .2165966370677818 1.3882e-09 deg/d
Q 3.545620220457709 1.5149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:06:20  

Additional Information
 Earth MOID = .958735 au 
 Jupiter MOID = 1.92615 au 
 T_jup = 3.272 
[ 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 14.7   n/a MPO337772  
diameter diameter 5.901 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66935 (1999 WZ1)          Discovered 1999-Nov-26 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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