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49352 (1998 WS9)
Classification: Main-belt Asteroid          SPK-ID: 2049352
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09905094152510986 3.2488e-08  
a 2.358588518869571 7.7018e-09 au
q 2.124968105405225 7.7057e-08 au
i 6.783197227642398 3.8923e-06 deg
node 69.23635434197489 3.0336e-05 deg
peri 222.3501546695254 3.6239e-05 deg
M 347.2490055933792 1.9474e-05 deg
tp 2458647.361722890312
(2019-Jun-12.86172289)
7.1559e-05 TDB
period 1323.051340352918
3.62
6.4805e-06
1.774e-08
d
yr
n .2720982844883189 1.3328e-09 deg/d
Q 2.592208932333916 8.4647e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1877  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1998-08-31  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:05  

Additional Information
 Earth MOID = 1.11366 au 
 Jupiter MOID = 2.53566 au 
 T_jup = 3.537 
[ 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 14.0   n/a MPO395468  
diameter diameter 3.940 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.344   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49352 (1998 WS9)          Discovered 1998-Nov-28 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WS9 = 2000 AJ98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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