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26837 Yoshitakaokazaki (1991 RF1)
Classification: Main-belt Asteroid          SPK-ID: 2026837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268162753088517 2.6146e-08  
a 2.236510088872515 5.0433e-09 au
q 1.729233200823782 5.8473e-08 au
i 3.077120579834653 3.2327e-06 deg
node 147.4163053896665 6.1024e-05 deg
peri 134.4704576745215 6.1531e-05 deg
M 11.49476208900252 8.2329e-06 deg
tp 2459357.492132794081
(2021-May-22.99213279)
2.7885e-05 TDB
period 1221.67227867778
3.34
4.1323e-06
1.131e-08
d
yr
n .2946780460547318 9.9674e-10 deg/d
Q 2.743786976921247 6.1872e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      10914 days (29.88 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:49:42  

Additional Information
 Earth MOID = .714293 au 
 Jupiter MOID = 2.40889 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2269272001177894 2.613e-08  
q 1.728773959144017 5.8433e-08 au
tp 2456914.346653742350
(2014-Sep-13.84665374)
2.555e-05 TDB
node 147.4411778291504 6.102e-05 deg
peri 134.4453743763534 6.1527e-05 deg
i 3.076949689278972 3.2334e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      10914 days (29.88 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:49:42  

Additional Information
 Jupiter MOID = 2.40889 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.827680339937145E-16 -1.523374131649419E-15 -5.836145812481546E-15 -1.733467320406369E-15 1.083367435279146E-14 -4.460126086354704E-16
q -1.523374131649419E-15 3.414384087853194E-15 2.52303279728091E-14 3.023194638325814E-15 -1.999218468424308E-14 9.863301223926267E-16
tp -5.836145812481546E-15 2.52303279728091E-14 6.528160769593807E-10 -8.344468919143006E-12 2.115698494631995E-10 4.624989390067667E-13
node -1.733467320406369E-15 3.023194638325814E-15 -8.344468919143006E-12 3.723461861314798E-9 -3.719960684760781E-9 1.613990903536041E-11
peri 1.083367435279146E-14 -1.999218468424308E-14 2.115698494631995E-10 -3.719960684760781E-9 3.785603462379249E-9 -1.596552507986694E-11
i -4.460126086354704E-16 9.863301223926267E-16 4.624989390067667E-13 1.613990903536041E-11 -1.596552507986694E-11 1.045458967842984E-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 15.28   n/a MPO614063  

26837 Yoshitakaokazaki           Discovered 1991 Sept. 7 by T. Seki at Geisei.
Yoshitaka Okazaki (b. 1967) is a teacher at Tosajuku Junior and Senior High School in Kochi city. He enjoys astrophotography as a hobby and is also involved in astronomy education for children as an instructor at Geisei Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-01-31Last Updated: 2018-02-05

Alternate Designations
 1991 RF1 = 1998 VF17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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