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118843 (2000 SW239)
Classification: Main-belt Asteroid          SPK-ID: 2118843
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08618273652563925 6.2132e-08  
a 2.939997430428411 1.9422e-08 au
q 2.686620406495743 1.8251e-07 au
i 2.985449803253917 5.5113e-06 deg
node 43.32763851615655 7.967e-05 deg
peri 329.9250266033915 8.2984e-05 deg
M 334.3445102532036 2.2183e-05 deg
tp 2459131.718981294021
(2020-Oct-09.21898129)
0.00011363 TDB
period 1841.275833440142
5.04
1.8246e-05
4.995e-08
d
yr
n .1955166050962582 1.9375e-09 deg/d
Q 3.193374454361079 2.1096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9964 days (27.28 yr)  
   first obs. used      1993-04-21  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:21  

Additional Information
 Earth MOID = 1.68759 au 
 Jupiter MOID = 2.26811 au 
 T_jup = 3.266 
[ 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 15.1   n/a MPO439770  
diameter diameter 2.796 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.248   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118843 (2000 SW239)          Discovered 2000-Sep-28 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 SW239 = 2002 AN34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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