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8013 Gordonmoore (1990 KA)
Classification: Amor [NEO]          SPK-ID: 2008013
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 173 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4318303926202596 3.5301e-08  
a 2.199296221847544 4.3581e-09 au
q 1.249573270878865 7.8381e-08 au
i 7.570709132634879 3.5672e-06 deg
node 105.5589877123217 3.624e-05 deg
peri 146.7635289528786 3.6969e-05 deg
M 128.5371992164271 9.5591e-06 deg
tp 2458775.146166850193
(2019-Oct-18.64616685)
3.0638e-05 TDB
period 1191.307892714381
3.26
3.5411e-06
9.695e-09
d
yr
n .3021888818177341 8.9823e-10 deg/d
Q 3.149019172816222 6.2401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      25280 days (69.21 yr)  
   first obs. used      1951-09-01  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:13:37  

Additional Information
 Earth MOID = .244478 au 
 Jupiter MOID = 1.92977 au 
 T_jup = 3.528 
[ 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 17.0   n/a MPO384827  
diameter diameter 2.3 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
rotation period rot_per 8.40 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 311-319.]

8013 Gordonmoore           Discovered 1990 May 18 by E. F. Helin at Palomar.
A life-long contributor to and supporter of education, research and technology, Gordon Moore (b. 1929) is renowned for his revolutionary vision of the future of computers with "Moore's law".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020526/MPCPages.arcLast Updated: 2003-10-02

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