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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 | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2266194421110516 2.7615e-08  
a 2.236393635773092 6.602e-09 au
q 1.729583357693487 6.2826e-08 au
i 3.076857006173237 3.4036e-06 deg
node 147.4166994342793 6.5656e-05 deg
peri 134.4305510259093 6.6274e-05 deg
M 254.8141909604246 1.132e-05 deg
tp 2459357.423751724331
(2021-May-22.92375172)
3.946e-05 TDB
period 1221.576862829611
3.34
5.4093e-06
1.481e-08
d
yr
n .2947010629901018 1.305e-09 deg/d
Q 2.743203913852696 8.0982e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1458  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:06:12  

Additional Information
 Earth MOID = .714901 au 
 Jupiter MOID = 2.41113 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456899.5 (2014-Aug-30.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2269065148715677 2.7567e-08  
q 1.728887686179397 6.2711e-08 au
tp 2456914.392602914868
(2014-Sep-13.89260291)
3.3126e-05 TDB
node 147.4421449282933 6.565e-05 deg
peri 134.4682139027509 6.6267e-05 deg
i 3.076768956599173 3.4043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1458  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:06:12  

Additional Information
 Jupiter MOID = 2.41113 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.599313817249744E-16 -1.723261002291684E-15 -1.881247876875869E-13 1.678062461412642E-15 -3.866641195597237E-14 -6.136517737093551E-16
q -1.723261002291684E-15 3.932629620039487E-15 4.995556419742335E-13 -2.783465180826284E-15 1.057886118819879E-13 1.551820480085668E-15
tp -1.881247876875869E-13 4.995556419742335E-13 1.09733963376195E-9 5.242347534172901E-12 3.105882064505104E-10 1.820190038412581E-12
node 1.678062461412642E-15 -2.783465180826284E-15 5.242347534172901E-12 4.309965595753589E-9 -4.301829633746351E-9 4.119118019338124E-11
peri -3.866641195597237E-14 1.057886118819879E-13 3.105882064505104E-10 -4.301829633746351E-9 4.391369106829997E-9 -4.06219954487895E-11
i -6.136517737093551E-16 1.551820480085668E-15 1.820190038412581E-12 4.119118019338124E-11 -4.06219954487895E-11 1.158920352078476E-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 15.3   n/a MPO468042  

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

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