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JPL Small-Body Database Browser
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20302 Kevinwang (1998 FW100)
Classification: Main-belt Asteroid          SPK-ID: 2020302
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06541392262230949 4.1912e-08  
a 2.359613816784308 8.7208e-09 au
q 2.205262221154646 9.9488e-08 au
i 6.046354522338477 4.306e-06 deg
node 285.0659388967412 3.7532e-05 deg
peri 251.7735777209361 4.7383e-05 deg
M 48.45164519755796 2.917e-05 deg
tp 2458822.317170888638
(2019-Dec-04.81717089)
0.00010725 TDB
period 1323.914146125286
3.62
7.3395e-06
2.009e-08
d
yr
n .2719209557912919 1.5075e-09 deg/d
Q 2.513965412413969 9.2913e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      10009 days (27.40 yr)  
   first obs. used      1992-09-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:04:34  

Additional Information
 Earth MOID = 1.21853 au 
 Jupiter MOID = 2.48492 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456673.5 (2014-Jan-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06577882705807676 4.1822e-08  
q 2.204692276949632 9.9387e-08 au
tp 2456175.318357581250
(2012-Sep-04.81835758)
0.00010769 TDB
node 285.1280808991706 3.7507e-05 deg
peri 252.0450728084718 4.7337e-05 deg
i 6.048235286834625 4.3078e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      10009 days (27.40 yr)  
   first obs. used      1992-09-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:04:34  

Additional Information
 Jupiter MOID = 2.48492 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.749076362538667E-15 -4.142375895694738E-15 -1.413224883706361E-12 7.272980148243065E-16 -3.561508688252604E-13 -1.197327126454868E-15
q -4.142375895694738E-15 9.877700085198038E-15 3.237815049187748E-12 -9.715768422608025E-16 8.180565186328325E-13 3.040496739851352E-15
tp -1.413224883706361E-12 3.237815049187748E-12 1.159712985817469E-8 1.26003294250992E-11 3.124911733799869E-9 2.517651356106245E-12
node 7.272980148243065E-16 -9.715768422608025E-16 1.26003294250992E-11 1.406764029354185E-9 -1.394880724871015E-9 5.473299223226672E-11
peri -3.561508688252604E-13 8.180565186328325E-13 3.124911733799869E-9 -1.394880724871015E-9 2.240761287694312E-9 -5.374744707289326E-11
i -1.197327126454868E-15 3.040496739851352E-15 2.517651356106245E-12 5.473299223226672E-11 -5.374744707289326E-11 1.855747604993804E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO365495  
diameter diameter 2.958 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20302 Kevinwang           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kevin Yibo Wang (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his biochemistry project. He attends the Ward Melville High School, East Setauket, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

Alternate Designations
 1998 FW100 = 1999 QK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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