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Radar Astrometry   in .
matching records shown: 21 of 1764   database last updated: 2013-May-13

Object Epoch (UT) Measurement Sigma Units freq rcvr xmit bp ref Observer(s) Notes Modified
2P/Encke 1980-11-05 14:44:00 -280334.5 1.0 Hz 2380 -1 -1 P 5 Kamoun,P.G. 2005-Oct-29 12:39
26P/Grigg-Skjellerup 1982-05-26 22:17:00 36969.2 0.5 Hz 2380 -1 -1 P 6 Kamoun,P.G. 2005-Oct-29 12:39
45P/Honda-Mrkos-Pajdusakova 2011-08-19 18:20:00 -1015844.096 3. Hz 8560 -14 -14 C   BROZOVIC,Benner,L.,GIORGINI Correction of -13 Hz to s30 from CW echoes w/1 Hz res'n. Echo is ~10-12 Hz wide. 2011-Aug-24 23:16
45P/Honda-Mrkos-Pajdusakova 2011-08-19 20:10:00 87498320.93 10.00 us 8560 -14 -14 C   BROZOVIC,Benner,L.,GIORGINI GSSR, delay correction based on 10 and 11 usec ranging and 127 code Range correction to s32is+325usec 2011-Aug-24 23:16
45P/Honda-Mrkos-Pajdusakova 2011-08-20 20:20:00 -1129074.046 3. Hz 8560 -14 -14 C   BROZOVIC,GIORGINI Correction of -6 Hz to s36 from CW echoes w/2 Hz res'n. Echo is ~10 Hz wide. 2011-Aug-24 23:16
103P/Hartley 2 2010-10-24 07:50:00 -35963.2427 0.5000 Hz 2380 -1 -1 C   NOLAN,HARMON RADAR/s163: Doppler was -35962.7426624 added -.5 Hz. From CW at .1 Hz res. BW ~ 2 Hz. Observer:Harmon, Measurer:Nolan. 2010-Nov-08 11:44
103P/Hartley 2 2010-10-24 08:02:00 123053086.64 4.000 us 2380 -1 -1 C   NOLAN,HARMON Ephem RADAR/s163: delay was 123.055049164 added -.00196252 s. From unambiguous 4-us ranging. COM=TE depth=2 px. Obs:Harmon, Meas:Nolan 2010-Nov-08 11:44
103P/Hartley 2 2010-10-25 07:34:00 124535088.24 1.500 us 2380 -1 -1 C   HARMON,NOLAN Ephem RADAR/s169: delay was 124.535072244 added .000016 sec. From 1 us imaging 2spb, reasonably broadside. COM=TE. depth=3us. Obs:Harmon, Meas:Nolan 2010-Nov-08 11:44
103P/Hartley 2 2010-10-26 09:26:00 126533148.82 2.000 us 2380 -1 -1 C   HARMON,NOLAN Ephem RADAR/s169: delay was 126.533113325 added 0.0000355 s. From 0.5us x 0.18Hz imaging. Est. COM near TE. Elongated target ~45 deg angle. 2010-Nov-08 11:44
103P/Hartley 2 2010-10-27 07:40:00 128543233.13 3.000 us 2380 -1 -1 C   HARMON,NOLAN Ephem RADAR/s169: delay was 128.543177627 added .0000555 s. From 1us x 0.2Hz imaging. COM near middle of trailing lobe. Observer:Harmon, Measurer:Nolan. 2010-Nov-08 11:44
103P/Hartley 2 2010-10-29 09:34:00 133954458.1 3.000 us 2380 -1 -1 C   HARMON,NOLAN Ephem RADAR/s169: delay was 133.954347099 added .000111 s. COM near center of trailing lobe. ~45 deg orientation. Observer:Harmon, Measurer:Nolan. 2010-Nov-08 11:44
C/1983 H1 (IRAS-Araki-Alcock) 1983-05-11 22:00:00 -221306.40 .1 Hz 2380 -1 -1 P 4 Harmon,J.K. 2005-Oct-29 12:39
C/1983 J1 (Sugano-Saigusa-Fujikawa) 1983-06-10 09:18:00 612020.20 0.1 Hz 2380 -1 -1 P 1 Harmon,J.K. 2005-Oct-29 12:39
C/1983 J1 (Sugano-Saigusa-Fujikawa) 1983-06-11 07:13:00 472540.30 0.1 Hz 2380 -1 -1 P 1 Harmon,J.K. 2005-Oct-29 12:39
C/1983 J1 (Sugano-Saigusa-Fujikawa) 1983-06-12 06:19:00 200135.40 0.1 Hz 2380 -1 -1 P 1 Harmon,J.K. 2005-Oct-29 12:39
C/1996 B2 (Hyakutake) 1996-03-24 06:10:00 1052374 10.0 Hz 8510 -14 -14 C 18 Ostro,S.J. from 30 20-Hz-resn cw runs between 04:47 and 06:57 2005-Oct-29 12:39
C/1996 B2 (Hyakutake) 1996-03-24 08:30:00 956063 5.0 Hz 8510 -14 -14 C 18 Ostro,S.J. from 11 2-Hz-resolution cw runs between 08:00 and 09:00 2005-Oct-29 12:39
C/1996 B2 (Hyakutake) 1996-03-25 07:30:00 -13870.5 20.0 Hz 8510 -14 -14 C 18 Ostro,S.J. from 13-run sum with 20-Hz-resn 2005-Oct-29 12:39
P/2005 JQ5 (Catalina) 2005-06-12 00:11:00 150140.8326 2.0000 Hz 2380 -1 -1 C   HARMON,NOLAN Ephem 2005JQ5.s6:Doppler was 150136.3325858 added 4.5 Hz From 1 Hz resolution CW summing 13 runs. 2005-Oct-29 12:39
P/2005 JQ5 (Catalina) 2005-06-25 19:46:00 103993844.78 1.500 us 2380 -1 -1 C   NOLAN,HARMON s10:delay was 103.992825080 added .0010197 sec From 0.5 us ranging 2005-Oct-29 12:39
P/2005 JQ5 (Catalina) 2005-06-27 20:09:00 103139981.41 1.500 us 2380 -1 -1 C   NOLAN,HARMON Ephem s10:delay was 103.139015709 added .0009657 sec From 0.5 us ranging 2005-Oct-29 12:39

Table Legend

Object  Full name/designation of the small-body.
Epoch (UT)  Epoch of the measurement in UT.
Measurement  The radar delay or Doppler measurement in units specified under the units column.
Sigma  Estimated 1-sigma uncertainty of the measurement.
Units  Units associated with the radar measurement. Delay measurements are 'us' and Doppler are 'Hz'.
freq  Frequency of the transmitter in MHz.
rcvr  Station code for the radar receiver.
xmit  Station code for the radar transmitter.
bp  Measurement reference (i.e. bounce point) with possible values of 'P' (peak power) and 'C' (center of mass).
ref  Reference publication (if any). See the table below.
Observer(s)  List of observers.
Notes  Notes specific to the measurement.
Modified  Date and time the record was last modified.

References

  1      Campbell, D.B., et al. (1983) "Radar Observations of Comets IRAS-Araki-Alcock and Sugano-Saigusa-Fujikawa", BAAS 15:800  
  2      Campbell, D.B., et al. (1976) "70-cm Radar Observations of 433 Eros", Icarus 28:17-20  
  3      Goldstein, R.M. (1969) "Radar Observations of Icarus", Science 162:903-904  
  4      Harmon, J.K., et al. (1989) "Radar Observations of Comet IRAS-Araki-Alcock 1983d", Ap.J. 338:1071-1093  
  5      Kamoun, P.G., et al. (1982) "Comet Encke: Radar Detection of Nucleus", Science 216:293-295  
  6      Kamoun, P.G. (1983) "Radar Observations of Cometary Nuclei", Ph.D. Thesis, MIT  
  7      Ostro, S.J., et al. (1983) "Radar Observations of Asteroid 1685 Toro", Astron. J. 88:565-576  
  8      Ostro, S.J., et al. (1984) "Radar and Photoelectric Observations of Asteroid 2100 Ra-Shalom", Icarus 60:391-403  
  9      Ostro, S.J., et al. (1985) "Mainbelt Asteroids: Dual-polarization Radar Observations", Science 224:442-446  
  10      Ostro, S.J., et al. (1989) "Radar Observations of Asteroid 1986 JK", Icarus 78:382-394  
  11      Ostro, S.J., et al. (1990) "Radar Images of Asteroid 1627 Ivar", Astron.J. 99:2012-2018  
  12      Ostro, S.J., et al. (1990) "Radar Images of Asteroid 1989 PB", Science 248:1523-1528  
  13      Ostro, S.J., et al. (1991) "Asteroid 1986 DA: Radar Evidence for a Metallic Composition", Science 252:1399-1404  
  14      Ostro, S.J., et al. (1991) "Asteroid Radar Astrometry", Astron.J. 102:1490-1502  
  15      Ostro, S.J., et al. (1991) "High-resolution Radar Ranging to Near-Earth Asteroids", BAAS 23:1144  
  16      Ostro, S.J., et al. (1995) "Radar images of asteroid 4179 Toutatis", Science 270:80-83  
  17      Ostro, S.J., et al. (1996) "Radar Observations of Asteroid 1620 Geographos", Icarus 121:46-66  
  18      Ostro, S.J., et al. (1996) "Near-Earth-Object Radar Astronomy at Goldstone in 1996", BAAS 28:1105  
  19      Pettengill, G.H., et al. (1969) "Radar Observations of Icarus", Icarus 10:432-435  
  20      Pettengill, G.H., et al. (1979) "Radar Observations of Asteroid 1580 Betulia", Icarus 40:350-354  
  21      Zaitsev, L.Z., et al. (1997) "Intercontinental Bistatic Radar Observations of 6489 Golevka (1991 JX)", Planet. Space Sci. 45(7):771-778  
  22      Benner, L.A., et al. (1999) "Radar Observations of Asteroid 7822 (1991 CS)", Icarus 137:247-259  
  23      Ostro, S.J., et al. (1999) "Asteroid 4179: 1999 Radar Observations", Icarus 137:122-139  
  24      Benner, L.A., et al. (1999) "Radar Observations of Asteroid 2063 Bacchus", Icarus 139:309-327  
  25      Ostro, S.J., et al. (1998) "Near-Earth-Asteroid Radar at Goldstone, Aug 1996 - Jun 1998", BAAS 30:1036  
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