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10448 Schawlow (4314 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2010448
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04907032600687401 2.6909e-08  
a 2.837882918938539 1.0709e-08 au
q 2.698627078936886 7.4754e-08 au
i 3.248350018576851 2.9497e-06 deg
node 118.8375337441395 6.8032e-05 deg
peri 179.5878985669611 7.9192e-05 deg
M 86.49464910681451 4.0415e-05 deg
tp 2458780.956614604845
(2019-Oct-24.45661460)		 0.00019601 TDB
period 1746.184536291234
4.78		 9.8843e-06
2.706e-08		 d
yr
n .206163777377512 1.167e-09 deg/d
Q 2.977138758940193 1.1235e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2415  
   data-arc span      24132 days (66.07 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:54:58  

Additional Information
 Earth MOID = 1.68084 au 
 Jupiter MOID = 2.12065 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456808.5 (2014-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0503245134229183 2.6807e-08  
q 2.696000034771179 7.4786e-08 au
tp 2457046.749625580238
(2015-Jan-24.24962558)		 0.0001923 TDB
node 118.9055472662608 6.8154e-05 deg
peri 182.3256386446419 7.888e-05 deg
i 3.245626787782995 2.9465e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2415  
   data-arc span      24132 days (66.07 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:54:58  

Additional Information
 Jupiter MOID = 2.12065 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.185989418989096E-16 -1.986694380708824E-15 5.271268281099144E-13 -2.336825277579764E-15 9.801219518431301E-14 -1.619397015043768E-16
q -1.986694380708824E-15 5.592942939696796E-15 -1.665321599588597E-12 7.749361083271016E-15 -3.18216264368979E-13 5.773484700126757E-16
tp 5.271268281099144E-13 -1.665321599588597E-12 3.698027920425708E-8 2.385159909764092E-11 7.659137786934525E-9 -2.271021383644724E-12
node -2.336825277579764E-15 7.749361083271016E-15 2.385159909764092E-11 4.644972720627058E-9 -4.632332323694983E-9 1.907354854654697E-11
peri 9.801219518431301E-14 -3.18216264368979E-13 7.659137786934525E-9 -4.632332323694983E-9 6.221980116021463E-9 -1.951502044564924E-11
i -1.619397015043768E-16 5.773484700126757E-16 -2.271021383644724E-12 1.907354854654697E-11 -1.951502044564924E-11 8.681871667260245E-12

[ 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 13.2   n/a MPO449016  
diameter diameter 6.066 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10448 Schawlow           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Arthur L. Schawlow (1921-1999), American physicist, shared part of the 1981 Nobel Prize for physics with Nicolaas Bloembergen for contributions to the development of laser spectroscopy. The name was suggested by W. A. Fröger.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 4314 T-3 = 1981 NB1 = 1986 PO3 = 1991 RR21 
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