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249775 (2000 WO40)
Classification: Main-belt Asteroid          SPK-ID: 2249775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042829147676848 6.0093e-08  
a 3.075439608097136 3.425e-08 au
q 2.447179840763066 1.845e-07 au
i 18.27382043773617 8.6841e-06 deg
node 243.0390198810016 1.7238e-05 deg
peri 137.0068271985708 2.4872e-05 deg
M 271.3460462211548 2.2044e-05 deg
tp 2459485.626322858139
(2021-Sep-28.12632286)
0.00012617 TDB
period 1969.968273096965
5.39
3.2908e-05
9.01e-08
d
yr
n .1827440598492726 3.0527e-09 deg/d
Q 3.703699375431205 4.1246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1998-06-27  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:15:22  

Additional Information
 Earth MOID = 1.48377 au 
 Jupiter MOID = 1.86288 au 
 T_jup = 3.121 
[ 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 14.8   n/a MPO220689  
diameter diameter 2.963 km 0.543 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.350   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249775 (2000 WO40)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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