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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07675105555558583 2.8634e-08  
a 2.321852988053102 7.3496e-09 au
q 2.143648320375135 6.4904e-08 au
i 7.629710410745209 4.4306e-06 deg
node 324.8337374271501 2.0855e-05 deg
peri 251.2009078961286 3.5721e-05 deg
M 123.3737375278517 2.871e-05 deg
tp 2458757.635646475602
(2019-Oct-01.13564648)
0.00010326 TDB
period 1292.261793015646
3.54
6.1358e-06
1.68e-08
d
yr
n .2785813230304499 1.3227e-09 deg/d
Q 2.500057655731069 7.9136e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2146  
   data-arc span      14950 days (40.93 yr)  
   first obs. used      1980-02-14  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:38  

Additional Information
 Earth MOID = 1.151 au 
 Jupiter MOID = 2.50577 au 
 T_jup = 3.561 
[ show covariance matrix ]

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 14.10   n/a MPCxxxxx  
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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