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33056 Ogunimachi (1997 UG15)
Classification: Main-belt Asteroid          SPK-ID: 2033056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614527088175211 4.5374e-08  
a 2.435446279469016 1.1251e-08 au
q 2.042236880469189 1.1221e-07 au
i 2.723870694364679 4.329e-06 deg
node 134.5901294860629 0.00010503 deg
peri 283.3001427901199 0.00010607 deg
M 328.5076215379387 1.498e-05 deg
tp 2459121.942086358330
(2020-Sep-29.44208636)
5.801e-05 TDB
period 1388.24544934474
3.80
9.6198e-06
2.634e-08
d
yr
n .2593201369180947 1.797e-09 deg/d
Q 2.828655678468842 1.3067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      13373 days (36.61 yr)  
   first obs. used      1982-12-23  
   last obs. used      2019-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:58:17  

Additional Information
 Earth MOID = 1.05648 au 
 Jupiter MOID = 2.50211 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456416.5 (2013-May-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625360047773104 4.5736e-08  
q 2.040463925613669 1.1335e-07 au
tp 2456342.129005708014
(2013-Feb-18.62900571)
5.4452e-05 TDB
node 134.711654030346 0.00010527 deg
peri 282.6895147228648 0.00010627 deg
i 2.721056809874595 4.3249e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      13373 days (36.61 yr)  
   first obs. used      1982-12-23  
   last obs. used      2019-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:58:17  

Additional Information
 Jupiter MOID = 2.50211 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.091814925711012E-15 -5.166398798816649E-15 -8.212472772167797E-13 -1.272521997324516E-14 -2.627616432529887E-13 -9.840691237105218E-16
q -5.166398798816649E-15 1.28472551958459E-14 1.992461919918498E-12 3.365702301925447E-14 6.36796380017156E-13 2.54666387968617E-15
tp -8.212472772167797E-13 1.992461919918498E-12 2.965032695912086E-9 1.378962453128874E-11 8.198488572420115E-10 5.401417751134061E-13
node -1.272521997324516E-14 3.365702301925447E-14 1.378962453128874E-11 1.108155987910404E-8 -1.106458051717971E-8 8.579658094425452E-11
peri -2.627616432529887E-13 6.36796380017156E-13 8.198488572420115E-10 -1.106458051717971E-8 1.129410390432537E-8 -8.55463046181495E-11
i -9.840691237105218E-16 2.54666387968617E-15 5.401417751134061E-13 8.579658094425452E-11 -8.55463046181495E-11 1.870479056480115E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO431872  
diameter diameter 6.256 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

33056 Ogunimachi           Discovered 1997 Oct. 29 by T. Okuni at Nanyo.
Ogunimachi, a town of population 7300 in the middle part of Niigata prefecture, is famous for washi (Japanese paper) production.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1997 UG15 = 1982 YD4 = 1999 GL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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