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16192 Laird (2000 AU207)
Classification: Main-belt Asteroid          SPK-ID: 2016192
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .230589649326379 5.7988e-08  
a 2.30938248955165 1.4983e-08 AU
q 1.776862791125455 1.3232e-07 AU
i 2.454041963319411 6.141e-06 deg
node 109.2982157575437 0.00015636 deg
peri 225.8750422597426 0.00015817 deg
M 108.6941376303787 2.2666e-05 deg
tp 2456413.468912598967
(2013-Apr-30.96891260)
7.9737e-05 JED
period 1281.864822720951
3.51
1.2475e-05
3.415e-08
d
yr
n .2808408450087942 2.7331e-09 deg/d
Q 2.841902187977845 1.8438e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      12907 days (35.34 yr)  
   first obs. used      1978-11-29  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60373  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:08:41  

Additional Information
 Earth MOID = .766858 AU 
 T_jup = 3.548 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO267769  

16192 Laird           Discovered 2000 Jan. 4 by Spacewatch at Kitt Peak.
Canadian physicist Elizabeth Rebecca Laird (1874-1969) was known for her research on soft x-rays, the Raman effect and the effects of microwave radiation on biological materials. As head of the physics department at Mt. Holyoke College from 1904 to 1940 she inspired many women to pursue scientific careers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

[ show close-approach data ]
Alternate Designations
 2000 AU207 = 1978 WN9 = 1981 NP 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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