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249778 (2000 WS64)
Classification: Main-belt Asteroid          SPK-ID: 2249778
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09403275450803644 8.1671e-08  
a 2.986691573957264 4.1876e-08 au
q 2.70584473839212 2.3069e-07 au
i 2.832605062636751 9.4306e-06 deg
node 44.72658373640859 0.00015871 deg
peri 15.84139242923965 0.0001684 deg
M 275.2159487660168 5.3935e-05 deg
tp 2459444.512969369334
(2021-Aug-18.01296937)
0.00028339 TDB
period 1885.315299829541
5.16
3.965e-05
1.086e-07
d
yr
n .1909494926565063 4.0159e-09 deg/d
Q 3.267538409522408 4.5813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6348 days (17.38 yr)  
   first obs. used      2000-11-27  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66299  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:57:31  

Additional Information
 Earth MOID = 1.71858 au 
 Jupiter MOID = 2.01454 au 
 T_jup = 3.249 
[ 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 16.6   n/a MPO446305  
diameter diameter 3.141 km 0.433 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249778 (2000 WS64)          Discovered 2000-Nov-27 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2000 WS64 = 2005 TA130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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