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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
20151 Utsunomiya (1996 TO6)
Classification: Main-belt Asteroid          SPK-ID: 2020151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227809934326938 5.649e-08  
a 2.326849962437367 1.1797e-08 au
q 1.796770425305872 1.2751e-07 au
i 11.64114677312864 5.02e-06 deg
node 273.7243566864934 2.3579e-05 deg
peri 98.21164767581101 2.6301e-05 deg
M 122.9129066854814 1.4776e-05 deg
tp 2458157.864761022731
(2018-Feb-08.36476102)
5.0984e-05 TDB
period 1296.435747301705
3.55
9.8589e-06
2.699e-08
d
yr
n .277684413399796 2.1117e-09 deg/d
Q 2.856929499568861 1.4484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8223 days (22.51 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:37:11  

Additional Information
 Earth MOID = .840785 au 
 Jupiter MOID = 2.74533 au 
 T_jup = 3.512 
[ 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 15.8   n/a MPO333005  
diameter diameter 2.837 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20151 Utsunomiya           Discovered 1996 Oct. 5 by A. Nakamura at Kuma Kogen.
Syogo Utsunomiya (b. 1956) is a farmer and renowned amateur astronomer in Japan. During his 27-year visual search for comets, Utsunomiya discovered C/1997 T1 and C/2000 W1, and in 1995 he rediscovered 122P/de Vico. He is the first Japanese person to receive the Edgar Wilson Award.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 18:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin