Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05442287811365651 3.9048e-08  
a 3.251455502593675 2.4322e-08 au
q 3.074501936084042 1.3394e-07 au
i 8.631929490825447 4.6177e-06 deg
node 309.9108045786901 2.897e-05 deg
peri 338.7873336290237 5.5786e-05 deg
M 6.344328176962807 4.5589e-05 deg
tp 2459358.760313486190
(2021-May-24.26031349)
0.00027133 TDB
period 2141.485554657368
5.86
2.4028e-05
6.579e-08
d
yr
n .1681076013877661 1.8862e-09 deg/d
Q 3.428409069103308 2.5645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      11442 days (31.33 yr)  
   first obs. used      1990-03-02  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:34:10  

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 13.73   n/a E2021B10  
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

[ show close-approach data ]
Alternate Designations
 1998 QQ24 = 1990 EQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 03:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin