Home

117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 05 20h47 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)15.9
m2 standard deviation0.0
Aperture radius used for m25.8 "
Tail length0.5 °
r (dist/Sun) 3.633 AU
d (dist/Earth) 2.720 AU
Right ascension13 08 15.30 h m s
Declination+00 01 46.4 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.05.06 07:58:02
AC2 fkugel@free.fr
NET NOMAD
0117P         C2021 05 05.86594 13 08 15.30 +00 01 46.4          15.9 V      A77
0117P         C2021 05 05.87174 13 08 15.15 +00 01 46.4          15.9 V      A77
0117P         C2021 05 05.87868 13 08 14.91 +00 01 46.7          15.9 V      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details12x90s
Seeing3
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.36
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 06 08h00m28s
Observation modification date2021 May 06 08h04m04s

(Record n° 23339)

Home