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49343 (1998 WH3)
Classification: Main-belt Asteroid          SPK-ID: 2049343
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316766393193738 2.9543e-08  
a 2.598224836091003 1.218e-08 au
q 2.256099321478409 7.6227e-08 au
i 12.1977893718172 4.7349e-06 deg
node 271.9370754942848 2.0042e-05 deg
peri 146.2744112186724 3.173e-05 deg
M 70.75164216498544 2.3855e-05 deg
tp 2458699.859458326449
(2019-Aug-04.35945833)
0.00010072 TDB
period 1529.725553932667
4.19
1.0757e-05
2.945e-08
d
yr
n .2353363314579538 1.6549e-09 deg/d
Q 2.940350350703597 1.3784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1189  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1997-07-10  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:08  

Additional Information
 Earth MOID = 1.27961 au 
 Jupiter MOID = 2.37222 au 
 T_jup = 3.372 
[ 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 14.6   n/a MPO449316  
diameter diameter 2.963 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.265   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49343 (1998 WH3)          Discovered 1998-Nov-19 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WH3 = 2001 LL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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