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 ]  
24911 Kojimashigemi (1997 DU)
Classification: Main-belt Asteroid          SPK-ID: 2024911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06813709338373473 3.0148e-08  
a 2.31639855191829 6.9861e-09 au
q 2.158565887472286 7.2317e-08 au
i 6.781460018541836 2.942e-06 deg
node 151.2012668889378 3.2998e-05 deg
peri 14.98998047630394 4.4686e-05 deg
M 265.4545170137553 3.1017e-05 deg
tp 2459538.686788853215
(2021-Nov-20.18678885)
0.00011152 TDB
period 1287.710847115459
3.53
5.8255e-06
1.595e-08
d
yr
n .2795658674510813 1.2647e-09 deg/d
Q 2.474231216364295 7.4621e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1731  
   data-arc span      8785 days (24.05 yr)  
   first obs. used      1997-02-27  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:38:50  

Additional Information
 Earth MOID = 1.16639 au 
 Jupiter MOID = 2.49314 au 
 T_jup = 3.568 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.97   n/a E2021B10  

24911 Kojimashigemi           Discovered 1997 Feb. 27 by K. Endate and K. Watanabe at Kitami.
Shigemi Kojima (b. 1931) built a private observatory in 1974, with a 0.25-m reflector in a dome he opens wholeheartedly to local children and citizens. He is also now an adviser to the Astronomical Society of Shikoku.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

Alternate Designations
 1997 DU = 2000 CE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 00:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin