See also

Ephemeris for 3I/ATLAS

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 3I/ATLAS
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
Ephemeris for 3I/ATLAS
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
2026May2400:00 PDT07 days06h51m42s+20°20'38"08:3215:3322:3425.1Not observableGemini
2026May2403:00 PDT07 days06h51m44s+20°20'35"08:3215:3322:3425.1Not observableGemini
2026May2406:00 PDT07 days06h51m46s+20°20'32"08:3215:3322:3425.1Not observableGemini
2026May2409:00 PDT07 days06h51m48s+20°20'29"08:3215:3322:3425.1Not observableGemini
2026May2412:00 PDT07 days06h51m50s+20°20'26"08:3215:3322:3425.1Not observableGemini
2026May2415:00 PDT08 days06h51m52s+20°20'23"08:3215:3322:3425.1Not observableGemini
2026May2418:00 PDT08 days06h51m53s+20°20'20"08:3215:3322:3525.1Not observableGemini
2026May2421:00 PDT08 days06h51m55s+20°20'17"08:3215:3322:3525.1Not observableGemini
2026May2500:00 PDT08 days06h51m57s+20°20'14"08:2915:3022:3125.1Not observableGemini
2026May2503:00 PDT08 days06h51m59s+20°20'11"08:2915:3022:3125.1Not observableGemini
2026May2506:00 PDT08 days06h52m01s+20°20'08"08:2915:3022:3125.1Not observableGemini
2026May2509:00 PDT08 days06h52m03s+20°20'05"08:2915:3022:3125.1Not observableGemini
2026May2512:00 PDT08 days06h52m05s+20°20'02"08:2915:3022:3125.1Not observableGemini
2026May2515:00 PDT09 days06h52m07s+20°19'59"08:2915:3022:3125.1Not observableGemini
2026May2518:00 PDT09 days06h52m09s+20°19'56"08:2915:3022:3125.1Not observableGemini
2026May2521:00 PDT09 days06h52m11s+20°19'53"08:2915:3022:3125.1Not observableGemini
2026May2600:00 PDT09 days06h52m13s+20°19'50"08:2515:2622:2725.1Not observableGemini
2026May2603:00 PDT09 days06h52m15s+20°19'47"08:2515:2622:2725.1Not observableGemini
2026May2606:00 PDT09 days06h52m17s+20°19'44"08:2515:2622:2725.1Not observableGemini
2026May2609:00 PDT09 days06h52m19s+20°19'41"08:2515:2622:2725.1Not observableGemini
2026May2612:00 PDT09 days06h52m21s+20°19'38"08:2515:2622:2725.1Not observableGemini
2026May2615:00 PDT10 days06h52m23s+20°19'35"08:2515:2622:2725.2Not observableGemini
2026May2618:00 PDT10 days06h52m25s+20°19'32"08:2515:2622:2725.2Not observableGemini
2026May2621:00 PDT10 days06h52m27s+20°19'28"08:2515:2622:2725.2Not observableGemini
2026May2700:00 PDT10 days06h52m29s+20°19'25"08:2115:2222:2325.2Not observableGemini
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: 23 May 2026, 18:22 UTC
Website designed by .

Site hosted by