See also

Ephemeris for 109P/Swift-Tuttle

by Dominic Ford

Display options








Date format

RA/Dec format

Observer location

Object type

Object

Timezone

Start date

Interval

Rows

You are welcome to reproduce the data below for non-profit purposes , providing you credit In-The-Sky.org.

It is also available in CSV (i.e. spreadsheet) and plain text format for easy pasting into other programs.

All times computed for South El Monte (latitude 34.05°; longitude -118.05°) and expressed in South El Monte time.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.
Ephemeris for 109P/Swift-Tuttle
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
Ephemeris for 109P/Swift-Tuttle
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
2026Aug2200:00 PDT09 days09h40m20s−18°08'51"07:1612:2817:3937.2Not observableHydra
2026Aug2203:00 PDT09 days09h40m21s−18°08'54"07:1612:2817:3937.2Not observableHydra
2026Aug2206:00 PDT09 days09h40m22s−18°08'57"07:1612:2817:3937.2Not observableHydra
2026Aug2209:00 PDT09 days09h40m22s−18°09'00"07:1612:2817:3937.2Not observableHydra
2026Aug2212:00 PDT10 days09h40m23s−18°09'03"07:1612:2817:3937.2Not observableHydra
2026Aug2215:00 PDT10 days09h40m23s−18°09'06"07:1612:2817:3937.2Not observableHydra
2026Aug2218:00 PDT10 days09h40m24s−18°09'09"07:1612:2817:3937.2Not observableHydra
2026Aug2221:00 PDT10 days09h40m25s−18°09'12"07:1612:2817:3937.2Not observableHydra
2026Aug2300:00 PDT10 days09h40m25s−18°09'15"07:1212:2417:3537.2Not observableHydra
2026Aug2303:00 PDT10 days09h40m26s−18°09'18"07:1212:2417:3537.2Not observableHydra
2026Aug2306:00 PDT10 days09h40m27s−18°09'22"07:1212:2417:3537.2Not observableHydra
2026Aug2309:00 PDT10 days09h40m27s−18°09'25"07:1212:2417:3537.2Not observableHydra
2026Aug2312:00 PDT11 days09h40m28s−18°09'28"07:1212:2417:3637.2Not observableHydra
2026Aug2315:00 PDT11 days09h40m29s−18°09'31"07:1212:2417:3637.2Not observableHydra
2026Aug2318:00 PDT11 days09h40m29s−18°09'34"07:1212:2417:3637.2Not observableHydra
2026Aug2321:00 PDT11 days09h40m30s−18°09'37"07:1212:2417:3637.2Not observableHydra
2026Aug2400:00 PDT11 days09h40m31s−18°09'41"07:0812:2017:3237.2Not observableHydra
2026Aug2403:00 PDT11 days09h40m31s−18°09'44"07:0812:2017:3237.2Not observableHydra
2026Aug2406:00 PDT11 days09h40m32s−18°09'47"07:0812:2017:3237.2Not observableHydra
2026Aug2409:00 PDT11 days09h40m33s−18°09'50"07:0812:2017:3237.2Not observableHydra
2026Aug2412:00 PDT12 days09h40m33s−18°09'54"07:0812:2017:3237.2Not observableHydra
2026Aug2415:00 PDT12 days09h40m34s−18°09'57"07:0812:2017:3237.2Not observableHydra
2026Aug2418:00 PDT12 days09h40m35s−18°10'00"07:0812:2017:3237.2Not observableHydra
2026Aug2421:00 PDT12 days09h40m35s−18°10'03"07:0812:2017:3237.2Not observableHydra
2026Aug2500:00 PDT12 days09h40m36s−18°10'07"07:0412:1617:2837.2Not observableHydra
All times computed for South El Monte (latitude 34.05; longitude -118.05) and expressed in South El Monte time.
All positions are in J2000.0 coordinates.
Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

Embed this ephemeris in your website

You can embed this ephemeris in your website. Simply configure the options below, and paste the grey HTML code into your website.

This widget has a transparent background and no border to give you maximum flexibility to integrate it into the design of your website.

Color scheme

Location

HTML code

Share

South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


© Dominic Ford 2011–2026.

For more information including contact details, click here.
Our privacy policy is here.
Last updated: 21 Aug 2026, 18:16 UTC
Website designed by .

Site hosted by