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190432 (1999 WO17)
Classification: Main-belt Asteroid          SPK-ID: 2190432
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257783122822573 6.2634e-08  
a 2.763771900695446 2.3307e-08 au
q 2.416149335492846 1.7437e-07 au
i 4.085222232484155 6.3224e-06 deg
node 225.5220354820119 7.9948e-05 deg
peri 163.7142711741205 8.2838e-05 deg
M 208.9696434051566 2.5484e-05 deg
tp 2459904.566157448443
(2022-Nov-21.06615745)		 0.00012447 TDB
period 1678.230935793827
4.59		 2.1229e-05
5.812e-08		 d
yr
n .214511598089279 2.7134e-09 deg/d
Q 3.111394465898046 2.6238e-08 au
   Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7534 days (20.63 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53731  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:38  

Additional Information
 Earth MOID = 1.42045 au 
 Jupiter MOID = 2.32258 au 
 T_jup = 3.325 
[ 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 16.00   n/a E2021B55  
diameter diameter 2.975 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190432 (1999 WO17)          Discovered 1999-Nov-30 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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