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Comet 252P/LINEAR - (P/2000 G1 = P/2010 L5 (LINEAR))

Comet P/2000 G1 was discovered apparently as a fast moving object of magn. 18 on 2000 April 7.45 . But F. Shelly, for the Lincoln Near-Earth Asteroid Research project, reports, in connection with the discovery yesterday of a fast-moving object, that Lisa Brown-Manguso noticed that the object showed clear cometary activity. (IAUC 7396)

Subsequent observations confirmed that it is a periodic comet and also a near earth object, with a perihelion distance of 1.003 AU and perihelion on March 9.8. The period is 5.4 years. The comet passed only 0.10 AU from Earth in late February and early March, when it could have reached 14th mag, but was at high southern declination. It is intrinsically very faint.

The comet was moved into its present orbit in February 1987 when an encounter to within 0.15 AU of Jupiter made significant changes to the elements.

The comet could potentially have an associated meteor shower. This would be maximum around March 30 and the meteors would appear to radiate from 5h 08m -16.

Comet 2000 G1 (P/ LINEAR) was not recovered at it previous return in 2005.

But in the second return could the comet be found by Scotti  with the Spacewatch telescope on 2011 June 9.42. This comet was assigned as comet P/2011 L5 (LINEAR) and later the numbered comet 252P/LINEAR. The indicated correction of the prediction was Delta (T) = -0.24 day.

Comet 252P/LINEAR The SkyLive

Latest updated: 2020-11-01

Photometric data obtained by use of FOCAS-II software

                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

OBJECT        DATE       TIME        +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

------------  ---------- --------  -----  -----  -----  -----  -----  -----  ----  ----  ---

252P          17/01/2016 22:31:23  17.85  17.30  16.94  16.35  16.20  16.17   2.8  16.5  B96

252P          17/01/2016 22:31:23*  0.25   0.12   0.37   0.33   0.40   0.64     3   3.9  USN

                                                                     AFRHO         LOG

COMET         UTC                   DELTA    r    BOX "   MAG   RSR    CM    +/-  AFRHO  OBS

------------  -------------------   -----  -----  -----  -----  ---  -----  ----  -----  ---

252P          17/01/2016 22:31:23    0.36   1.27  77.15  15.84    3      1     0  -0.04  B96