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JPL Small-Body Database Browser
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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05034119018969613 3.2443e-08  
a 2.84109225914047 1.3709e-08 au
q 2.698068293376606 9.5813e-08 au
i 3.246543341781383 3.5942e-06 deg
node 118.84585974 6.9213e-05 deg
peri 179.9933885358201 7.9868e-05 deg
M 322.4787915506842 3.9985e-05 deg
tp 2458782.805910343331
(2019-Oct-26.30591034)
0.00019441 TDB
period 1749.147493803491
4.79
1.266e-05
3.466e-08
d
yr
n .2058145475297719 1.4896e-09 deg/d
Q 2.984116224904334 1.4399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1976  
   data-arc span      23655 days (64.76 yr)  
   first obs. used      1954-12-22  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:24:44  

Additional Information
 Earth MOID = 1.68156 au 
 Jupiter MOID = 2.11866 au 
 T_jup = 3.305 
[ 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 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

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Alternate Designations
 4314 T-3 = 1981 NB1 = 1986 PO3 = 1991 RR21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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