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JPL Small-Body Database Browser
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20301 Thakur (1998 FY99)
Classification: Main-belt Asteroid          SPK-ID: 2020301
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07644102773574443 3.7086e-08  
a 2.322843299979554 9.0153e-09 au
q 2.145282770860029 8.7666e-08 au
i 7.627557952319613 4.7517e-06 deg
node 324.8369757767651 2.7677e-05 deg
peri 251.5086600699618 4.0403e-05 deg
M 67.39067369955966 2.9887e-05 deg
tp 2458758.438570472656
(2019-Oct-01.93857047)
0.00010729 TDB
period 1293.088640400599
3.54
7.528e-06
2.061e-08
d
yr
n .2784031881128211 1.6208e-09 deg/d
Q 2.50040382909908 9.7045e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      14684 days (40.20 yr)  
   first obs. used      1980-02-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:10:51  

Additional Information
 Earth MOID = 1.15358 au 
 Jupiter MOID = 2.50681 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456440.5 (2013-May-28.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07651250031875927 3.6981e-08  
q 2.144448895069332 8.7361e-08 au
tp 2456173.564944083754
(2012-Sep-03.06494408)
0.00010759 TDB
node 324.8829361915228 2.7685e-05 deg
peri 251.4791127130096 4.0409e-05 deg
i 7.627398994118955 4.7505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      14684 days (40.20 yr)  
   first obs. used      1980-02-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:10:51  

Additional Information
 Jupiter MOID = 2.50681 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.36760735046021E-15 -3.216433906854474E-15 -1.342004936999131E-12 -5.112262637215107E-16 -3.577798314173289E-13 9.763002185358758E-16
q -3.216433906854474E-15 7.631992943632633E-15 3.028530694064456E-12 8.746332847723043E-16 8.098214184648947E-13 -2.125582402780061E-15
tp -1.342004936999131E-12 3.028530694064456E-12 1.157548027572655E-8 -4.071417564168981E-12 3.177463710591533E-9 -2.617444714501642E-12
node -5.112262637215107E-16 8.746332847723043E-16 -4.071417564168981E-12 7.664702760060303E-10 -7.603860782957198E-10 3.460401181882985E-11
peri -3.577798314173289E-13 8.098214184648947E-13 3.177463710591533E-9 -7.603860782957198E-10 1.632919763482263E-9 -3.497599679295528E-11
i 9.763002185358758E-16 -2.125582402780061E-15 -2.617444714501642E-12 3.460401181882985E-11 -3.497599679295528E-11 2.256705166481176E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO474032  
diameter diameter 4.084 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20301 Thakur           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gaurav Subhash Thakur (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his mathematics project. He attends the Learning Community International, Annapolis, Maryland.
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

[ show close-approach data ]
Alternate Designations
 1998 FY99 = 1980 DK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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