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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09870079106022986 3.2378e-08  
a 2.357936614552488 7.5367e-09 au
q 2.125206405426277 7.6608e-08 au
i 6.782891389718733 3.8812e-06 deg
node 69.23415621682578 3.0052e-05 deg
peri 222.3622161101406 3.5918e-05 deg
M 96.12596837571748 1.9359e-05 deg
tp 2458647.369813723149
(2019-Jun-12.86981372)
7.1187e-05 TDB
period 1322.502849206979
3.62
6.3407e-06
1.736e-08
d
yr
n .272211133772505 1.3051e-09 deg/d
Q 2.590666823678699 8.2805e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1971  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:06  

Additional Information
 Earth MOID = 1.11452 au 
 Jupiter MOID = 2.53732 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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