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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3443908520599842 6.8716e-08  
a 3.971741419945709 3.7498e-08 au
q 2.603910008168675 2.7171e-07 au
i 13.68586842173061 6.4501e-06 deg
node 96.63988681206577 3.2581e-05 deg
peri 321.4134613789076 3.3761e-05 deg
M 108.9439258458044 8.8221e-06 deg
tp 2457725.575865924237
(2016-Dec-03.07586592)
6.6984e-05 TDB
period 2891.145016318548
7.92
4.0944e-05
1.121e-07
d
yr
n .1245181400338083 1.7634e-09 deg/d
Q 5.339572831722743 5.0412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2000-08-28  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:42:05  

Additional Information
 Earth MOID = 1.6327 au 
 Jupiter MOID = .308326 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-January); 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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