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26620 Yihuali (2000 GQ45)
Classification: Main-belt Asteroid          SPK-ID: 2026620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297858524046797 3.3442e-08  
a 2.907803182441105 1.4612e-08 au
q 2.530411467782946 1.0061e-07 au
i 2.142356604478455 3.8542e-06 deg
node 162.7979557964062 0.00010789 deg
peri 156.0313610939844 0.00010916 deg
M 276.3065122594259 1.7394e-05 deg
tp 2459421.551388523047
(2021-Jul-26.05138852)
8.8801e-05 TDB
period 1811.11462743848
4.96
1.3652e-05
3.738e-08
d
yr
n .1987726202118747 1.4983e-09 deg/d
Q 3.285194897099265 1.6509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      10550 days (28.88 yr)  
   first obs. used      1991-07-11  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:28:47  

Additional Information
 Earth MOID = 1.51749 au 
 Jupiter MOID = 2.0026 au 
 T_jup = 3.271 
[ 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 14.6   n/a PDS3 (MPO 14050)  

26620 Yihuali           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Yihua Li (b. 1993) was awarded first place in the 2010 Intel International Science and Engineering Fair for her environmental-science team project. She attends the Ballard High School, Louisville, Kentucky, U.S.A.
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 GQ45 = 1991 NS8 = 1998 BG35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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