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C/1999 S4 (LINEAR) – Gary W. Kronk Hubble Sees Comet Linear Blow its Top STScI-2000-26 (7. Juli 2000) Comet LINEAR continues to disintegrate and could disappear completely within a few days (31. C/1999 S4 (LINEAR) Classification: Hyperbolic Comet SPK-ID: 1000273 1999-09-27 last obs. used : 2000-07-24 planetary ephem. DE431 SB-pert. ephem. Comet C/1999 S4 (LINEAR) passed its clos-est point to Earth, 0.364 AU, on 23 July 2000, 3 days before it reached perihelion.

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The mass in small icy debris (

Astronomy in Swedish: juli 2008

Phase Aug. 14 12 35.59 - 7 21.5 1.009 0.848 49.6 65.5 16 12 37.17 - 8 48.8 1.081 0.866 48.7 61.5 18 12 38.48 -10 04.6 1.152 0.884 47.7 57.8 20 12 39.57 -11 11.0 1.222 0.904 46.5 54.4 22 12 40.49 -12 09.8 1.291 0.924 45.3 Comet C/1999 S4 (LINEAR), hereafter called S4, was discovered on September 27, 1999 by the Lincoln Near Earth Asteroid Research (LINEAR) program at heliocentric distance r = 4.3 AU. The ephemeris predicted that the comet would be as close to the Earth as ∆=0.364 AU just a few days before perihelion on 26 July 2000 (r = 0.765 AU). C/1999 S4 (LINEAR) is a long-period comet discovered on September 27, 1999, by LINEAR. The comet made its closest approach to the Earth on July 22, 2000, at a distance of 0.3724 AU (55,710,000 km; 34,620,000 mi).

C 1999 s4 linear

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The comet made its closest approach to the Earth on July 22, 2000, at a distance of 0.3724 AU (55,710,000 km; 34,620,000 mi). This is another comet found by the automatic minor planet search program LINEAR in New Mexico. It was found on CCD images obtained between 1999 September 27.40 and September 27.45 and was reported as an unusual moving object. The nuclear magnitude was given as 17.3-17.6. LINEAR obtained additional images on September 28 and October 1. 2000/7/22 Negative sketch of Comet LINEAR C/1999 S4. 8"/f6 Dob, 25mm eyepiece.

Delta r Elong. Phase m1 Dec. 28 2 21.84 +33 00.8 2.627 3.305 126.2 13.9 14.3 Jan. 7 2 05.20 +31 22.1 2.673 3.187 112.9 16.5 14.2 17 1 52.35 +29 49.1 2.737 3.067 100.1 18.4 14.1 27 1 2007-02-01 · Comet C/1999 S4 (LINEAR) was exceptional in many respects. Its nucleus underwent multiple fragmentations culminating in the complete disruption around July 20, 2000.
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X-rays from Comet C/1999 S4 (LINEAR). On July 14, 2000 the Chandra X-ray Observatory imaged the Abstract Comet C/1999 S4 (LINEAR) showed a very special behaviour between 28 June and1 July 2000. Optical observations of the dust coma in two distinct continuum bandsrevealed that it changed morphologically as well as in colour. Astronomers around the world continue to monitor the unexpected disintegration of comet C/1999 S4 (LINEAR).

If you have an interest in meteors, fireballs or meteorites it is the website to visit! C/1999 S4 (LINEAR) was a long-period comet discovered on September 27, 1999, by LINEAR.
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: D ialo gic C o n stru ctio 2003; Kangasharju & Nikko 2009; Koskinen 1999; Milles 2003; In line 1, the chair (Ch) initiates a concluding summary of the previous discussion. joins S1 and S4 by starting to enumerate, in Swedish, a telephone number, obviously as a. RS6 · C5 · C6 · C7 · RS7 · Mk1 Facelift · S1 · 8X · S3 · 8L · 8P · 8V · 8V FL · S4 W176 AMG · W176 AMG-Line · W177 · A35 AMG · B Klass · W 245 · C Klass Luftfjädring · 1996 · Luftfjädring · 1997 · Luftfjädring · 1998 · Luftfjädring · 1999.