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26549 Tankanran (2000 DZ57)
Classification: Main-belt Asteroid          SPK-ID: 2026549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965491256955204 4.2028e-08  
a 2.281167567115026 8.733e-09 au
q 1.83280607623359 9.3797e-08 au
i 5.419580553077305 5.395e-06 deg
node 187.4071604505537 3.7341e-05 deg
peri 135.6644598398697 3.9452e-05 deg
M 220.906642126238 1.4548e-05 deg
tp 2459686.725912655658
(2022-Apr-17.22591266)
5.2515e-05 TDB
period 1258.444912336508
3.45
7.2265e-06
1.979e-08
d
yr
n .2860673490519354 1.6427e-09 deg/d
Q 2.729529057996461 1.0449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      15832 days (43.35 yr)  
   first obs. used      1977-09-09  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:14:46  

Additional Information
 Earth MOID = .823646 au 
 Jupiter MOID = 2.61372 au 
 T_jup = 3.574 
[ 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 15.60   n/a E2021B10  
diameter diameter 3.080 km 0.808 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26549 Tankanran           Discovered 2000 Feb. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Tan Kan-Ran (b. 1992) was awarded second place in the 2010 Intel International Science and Engineering Fair for his energy-and-transportation team project. He attends the Beijing No. 4 High School, Beijing, China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2000 DZ57 = 1977 RP19 = 1998 WX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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