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 ]  
22490 Zigamiyama (1997 GB26)
Classification: Main-belt Asteroid          SPK-ID: 2022490
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373319297053145 2.9325e-08  
a 2.526633730678485 8.523e-09 au
q 2.179646244785871 7.4616e-08 au
i 14.2320115437206 5.4909e-06 deg
node 41.75060905221444 1.1266e-05 deg
peri 105.7560851152292 2.5597e-05 deg
M 13.70862368012304 2.1679e-05 deg
tp 2459144.639706236849
(2020-Oct-22.13970624)
8.8296e-05 TDB
period 1466.938346545518
4.02
7.4226e-06
2.032e-08
d
yr
n .2454090867879766 1.2417e-09 deg/d
Q 2.873621216571099 9.6935e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1955  
   data-arc span      13642 days (37.35 yr)  
   first obs. used      1983-11-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:55  

Additional Information
 Earth MOID = 1.23682 au 
 Jupiter MOID = 2.21869 au 
 T_jup = 3.397 
[ 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 14.34   n/a E2021B10  
diameter diameter 3.929 km 0.699 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.0535 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.151   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22490 Zigamiyama           Discovered 1997 Apr. 11 by T. Okuni at Nanyo.
Zigamiyama is a 1850-m mountain located in the western part of the Iide mountain range, in the Bandai-Asahi National Park. It is a popular area for Japanese mountain climbers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110517/MPCPages.arcLast Updated: 2011-06-24

Alternate Designations
 1997 GB26 = 1983 VD4 = 1999 XT117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-22 04:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin