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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2278830088379171 5.6544e-08  
a 2.32676929882481 1.167e-08 au
q 1.796538110136922 1.2775e-07 au
i 11.64102059953714 5.0128e-06 deg
node 273.7254291344819 2.3574e-05 deg
peri 98.14891080944275 2.629e-05 deg
M 234.0838143071051 1.5361e-05 deg
tp 2459453.927099521330
(2021-Aug-27.42709952)
5.7801e-05 TDB
period 1296.368333661249
3.55
9.7528e-06
2.67e-08
d
yr
n .2776988535220351 2.0892e-09 deg/d
Q 2.857000487512698 1.4329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      8241 days (22.56 yr)  
   first obs. used      1996-10-05  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:01:55  

Additional Information
 Earth MOID = .841291 au 
 Jupiter MOID = 2.74834 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

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