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20106 Morton (1995 QG)
Classification: Main-belt Asteroid          SPK-ID: 2020106
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588363822285349 4.3299e-08  
a 2.648114754088354 1.3776e-08 au
q 2.227497786822953 1.1342e-07 au
i 13.35681464750642 5.9929e-06 deg
node 323.0176941512962 2.0067e-05 deg
peri 104.2333348190811 2.7761e-05 deg
M 228.8344913554103 1.8752e-05 deg
tp 2459573.983299606815
(2021-Dec-25.48329961)
8.3354e-05 TDB
period 1573.996014591516
4.31
1.2282e-05
3.363e-08
d
yr
n .2287172246070949 1.7847e-09 deg/d
Q 3.068731721353754 1.5964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      9918 days (27.15 yr)  
   first obs. used      1993-04-20  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:39:17  

Additional Information
 Earth MOID = 1.28532 au 
 Jupiter MOID = 2.28023 au 
 T_jup = 3.335 
[ 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 15.0   n/a MPO384927  
diameter diameter 3.183 km 0.629 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 18.043 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.121   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20106 Morton           Discovered 1995 Aug. 20 by D. D. Balam at the National Research Council of Canada.
Donald C. Morton (b. 1933), was director of the Anglo-Australian Observatory during 1976-1986 and of the Herzberg Institute of Astrophysics in Ottawa during 1986-2000. With a rocket he made the first ultraviolet spectral observations of stars. He played a leading role in the development of the Gemini Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2059-Sep-12 13:15 < 00:01 Psych 0.0229569593901959 0.0229500276511711 0.0229638917319833 5.40581435193858 5.40581425444463 2473349.051978934 0.616244114699292 394.186190863051 73.6611190080709 29.343388015176 24063.1031339964 T 21 CATAB v2.0f-lin.ifort 2020-Jun-23 18:39:32 2020-Jun-23 18:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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