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JPL Small-Body Database Browser
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193449 (2000 WW146)
Classification: Outer Main-belt Asteroid          SPK-ID: 2193449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3441182835207137 6.5414e-08  
a 3.971445638397671 3.6834e-08 au
q 2.604798582216439 2.5888e-07 au
i 13.68584733897912 5.9536e-06 deg
node 96.63915454958008 3.0234e-05 deg
peri 321.3524996064592 3.108e-05 deg
M 158.8856458584145 8.6118e-06 deg
tp 2457724.638527392472
(2016-Dec-02.13852739)
6.1575e-05 TDB
period 2890.822060464848
7.91
4.0217e-05
1.101e-07
d
yr
n .1245320509080768 1.7325e-09 deg/d
Q 5.338092694578902 4.9509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7181 days (19.66 yr)  
   first obs. used      2000-08-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:32:42  

Additional Information
 Earth MOID = 1.63393 au 
 Jupiter MOID = .310232 au 
 T_jup = 2.904 
[ 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 13.7   n/a MPO348492  
diameter diameter 9.114 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 38.44 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 130-137.]
geometric albedo albedo 0.093   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

193449 (2000 WW146)          Discovered 2000-Nov-28 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2000 WW146 = 2001 XR27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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