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26127 Otakasakajyo (1993 BL2)
Classification: Main-belt Asteroid          SPK-ID: 2026127
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07777580166736121 3.7889e-08  
a 2.292535391767912 8.5123e-09 au
q 2.114231613822365 8.6394e-08 au
i 7.78020191490353 3.847e-06 deg
node 125.0251862485572 2.9698e-05 deg
peri 58.52844873262888 3.9836e-05 deg
M 270.272257818951 2.8577e-05 deg
tp 2459316.507026425538
(2021-Apr-12.00702643)
0.00010155 TDB
period 1267.86350294704
3.47
7.0615e-06
1.933e-08
d
yr
n .2839422376014538 1.5814e-09 deg/d
Q 2.47083916971346 9.1743e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1447  
   data-arc span      10622 days (29.08 yr)  
   first obs. used      1991-10-16  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:50:14  

Additional Information
 Earth MOID = 1.12955 au 
 Jupiter MOID = 2.50811 au 
 T_jup = 3.581 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456761.5 (2014-Apr-14.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07741191906015185 3.7979e-08  
q 2.114734826758503 8.6536e-08 au
tp 2456781.470045427844
(2014-May-03.97004543)
9.519e-05 TDB
node 125.0723590608505 2.9706e-05 deg
peri 58.63652944833986 3.9887e-05 deg
i 7.77928835543058 3.8467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1447  
   data-arc span      10622 days (29.08 yr)  
   first obs. used      1991-10-16  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:50:14  

Additional Information
 Jupiter MOID = 2.50811 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.442423177581031E-15 -3.273127023683299E-15 8.001338888159368E-14 1.77057789224527E-15 2.624598780937784E-14 1.274793104638908E-15
q -3.273127023683299E-15 7.488529506368494E-15 1.242701467639927E-13 -4.394338137212903E-15 2.426389249005601E-14 -2.648562267793596E-15
tp 8.001338888159368E-14 1.242701467639927E-13 9.061224041846357E-9 -2.484327480229113E-11 2.549052215714984E-9 2.816598400242552E-12
node 1.77057789224527E-15 -4.394338137212903E-15 -2.484327480229113E-11 8.824687779999204E-10 -8.80936848529612E-10 9.25386244186667E-12
peri 2.624598780937784E-14 2.426389249005601E-14 2.549052215714984E-9 -8.80936848529612E-10 1.590966102498249E-9 -8.454654646819999E-12
i 1.274793104638908E-15 -2.648562267793596E-15 2.816598400242552E-12 9.25386244186667E-12 -8.454654646819999E-12 1.479705551020767E-11

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 14.7   n/a MPO347718  
diameter diameter 3.110 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26127 Otakasakajyo           Discovered 1993 Jan. 19 by T. Seki at Geisei.
Otakasakajyo is the former name of the medieval castle that stands on a hill with a sweeping view of Kochi City and serves as the city's symbol.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

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