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21543 Jessop (1998 QQ24)
Classification: Outer Main-belt Asteroid          SPK-ID: 2021543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05442287752853241 3.8938e-08  
a 3.251455503617563 2.3803e-08 au
q 3.074501938954712 1.3318e-07 au
i 8.631929331310983 4.6023e-06 deg
node 309.910800851375 2.7774e-05 deg
peri 338.7873388524559 5.4711e-05 deg
M 6.344326305838896 4.4731e-05 deg
tp 2459358.760324598877
(2021-May-24.26032460)
0.00026624 TDB
period 2141.485555668904
5.86
2.3516e-05
6.438e-08
d
yr
n .1681076013083601 1.846e-09 deg/d
Q 3.428409068280415 2.5098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      11483 days (31.44 yr)  
   first obs. used      1990-03-02  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52991  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:43:20  

Additional Information
 Earth MOID = 2.05982 au 
 Jupiter MOID = 1.76843 au 
 T_jup = 3.161 
[ 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 13.76   n/a MPO636387  
diameter diameter 9.670 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21543 Jessop           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Forrest Connell Jessop (b. 1988) was awarded second place in the 2006 Intel International Science and Engineering Fair for his zoology team project. He attends the Corvallis High School, Corvallis, Montana, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060711/MPCPages.arcLast Updated: 2006-07-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-May-24 07:24 00:04 Jupiter 1.95375990610475 1.95375918102132 1.95376063119083 3.74683830023345 3.62928754117816 2417354.808462040 4.32669521114404 162.351229311874 21.3583884823519 84.7990008957264 3367866.33614479 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1917-Dec-13 13:31 00:04 Jupiter 1.9170822273468 1.91708161309261 1.91708284160219 3.42806577295039 3.29666148648937 2421576.063300275 3.94760763570472 134.596325427718 20.0909256233055 87.8677619248744 3235980.42591969 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1929-Jul-10 18:40 00:04 Jupiter 1.88422294557406 1.8842223937448 1.88422349740365 3.14788670533056 3.00168660285085 2425803.277649001 3.5304808324118 106.248603468577 19.3658667961584 -89.2969086145157 3173333.20394767 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1941-Feb-13 04:55 00:03 Jupiter 1.86237585624401 1.86237532459833 1.86237638788979 2.95739837123371 2.79939102699088 2430038.705170480 3.06989824774229 85.1325362858302 19.6659652964897 -88.2765672704622 3337472.75414775 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1952-Sep-24 18:44 00:03 Jupiter 1.84780791368523 1.84780738702359 1.84780844034678 2.85983288525619 2.69478344378243 2434280.280266542 2.58474946001688 74.4303270574289 21.0149895843905 -89.4161713578375 3626331.04498331 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1964-May-08 13:30 00:02 Jupiter 1.83956108603083 1.83956056042411 1.83956161163755 2.84978035021674 2.68334711343084 2438524.062792821 2.08696539248045 72.8962014086416 22.5370015934433 88.5864290781455 3584080.65380652 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1975-Dec-21 10:18 00:02 Jupiter 1.83383612406222 1.83383559792439 1.83383665020006 2.91920675211636 2.75644641663653 2442767.929133971 1.59113619743175 75.9255094642218 23.0700025832154 87.8853988075179 3331050.64381459 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1987-Jul-31 11:00 00:01 Jupiter 1.83219134499432 1.83219081815859 1.83219187183004 3.07192859505444 2.91755801987635 2447007.958412302 1.10750343359317 78.6505357603287 22.7199421954857 88.8838998952883 3146078.40455456 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
1999-Mar-07 08:32 < 00:01 Jupiter 1.83601416533448 1.83601363519815 1.83601469547082 3.28809242284872 3.14465839574612 2451244.855683103 0.652539722473357 78.4809739956961 22.3703128753953 -89.6483002837162 3026361.62374611 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
2010-Oct-05 12:58 < 00:01 Jupiter 1.84634988699567 1.8463493520532 1.84635042193804 3.55874224743729 3.42740953091563 2455475.040328627 0.281428519145779 80.8168776892833 22.5160186487045 -89.085301998157 2938447.02077934 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
2022-Apr-26 07:53 < 00:01 Jupiter 1.87081074063924 1.8708101966024 1.87081128467609 3.88237273382173 3.76394795419235 2459695.828583604 0.336029682817211 84.8999025043296 23.3329005475184 -89.662088763066 2882838.05723588 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
2033-Nov-04 17:23 < 00:01 Jupiter 1.90928744189765 1.90928687601703 1.90928800777828 4.23361627472149 4.1274981750923 2463906.224001175 0.661633023111452 82.3272821036416 24.8636778584949 88.6830431834004 2833211.76006962 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43
2045-May-05 05:59 < 00:01 Jupiter 1.96678150442478 1.96678089529438 1.96678211355517 4.59286837456605 4.49812309480031 2468105.749358523 0.979332243570623 74.3285396055182 26.6117184606347 83.6521886988476 2853770.64441018 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:43:32 2021-Aug-24 22:43

Alternate Designations
 1998 QQ24 = 1990 EQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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