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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08612075668605604 6.1393e-08  
a 2.939731616200384 1.4667e-08 au
q 2.686559704959284 1.8174e-07 au
i 2.985509573781837 5.3678e-06 deg
node 43.3260061109985 7.2681e-05 deg
peri 330.0328934926492 7.6199e-05 deg
M 13.36050939036483 2.0524e-05 deg
tp 2459132.174869878684
(2020-Oct-09.67486988)
0.00010504 TDB
period 1841.026125950876
5.04
1.3778e-05
3.772e-08
d
yr
n .1955431239815039 1.4634e-09 deg/d
Q 3.192903527441483 1.593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      10097 days (27.64 yr)  
   first obs. used      1993-04-21  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:20:55  

Additional Information
 Earth MOID = 1.68609 au 
 Jupiter MOID = 2.26708 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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