# Hakone-no-Sati Planetarium, Japan: what it is and when to go > Hakone-no-Sati Planetarium is a planetarium (箱根の里プラネタリウム) in Japan. Interests: With kids and Stargazing. The best time to visit is February to May and October to November. In June there are 14 h 21 of daylight, and in December, 9 h 39. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/asia/japon/hakone-no-sati-planetarium/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Planetarium · With kids, Stargazing - **Local name:** 箱根の里プラネタリウム - **Where:** Japan - **Best time:** February to May and October to November. - **Nearest airport:** HND Tokyo, 85 km as the crow flies - **Website:** [city.mishima.shizuoka.jp](https://www.city.mishima.shizuoka.jp/ipn012017.html) - **Coordinates:** 35.16287, 138.9829 ## What it is and where Hakone-no-Sati Planetarium is a planetarium (箱根の里プラネタリウム) in Japan. Its coordinates are 35.16287, 138.9829; the nearest main airport is Tokyo Haneda International Airport (HND, Tokyo), 85 km as the crow flies. How to get around Japan (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/japon/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=35.162875%2C138.982897) - [Directions](https://www.google.com/maps/dir/?api=1&destination=35.162875%2C138.982897) It is one of the [With kids](https://kokai.app/en/paises/asia/japon/familia/) and [Stargazing](https://kokai.app/en/paises/asia/japon/estrellas/) places in Japan. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Hakone-no-Sati Planetarium is **February to May and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 53 | | February | Best time | 10 h 43 | | March | Best time | 11 h 44 | | April | Best time | 12 h 54 | | May | Best time | 13 h 51 | | June | Possible | 14 h 21 | | July | Possible | 14 h 09 | | August | Possible | 13 h 20 | | September | Possible | 12 h 12 | | October | Best time | 11 h 05 | | November | Best time | 10 h 07 | | December | Possible | 9 h 39 | In June there are 14 h 21 of daylight, and in December, 9 h 39. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. | What you come for | Best time | Possible | | --- | --- | --- | | With kids | February to May and October to November | December to January and June to September | | Stargazing | February | November to January and March | It is not the same trip whatever you come for: Hakone-no-Sati Planetarium has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you. When to go to Japan in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/japon/#cuando-ir). ## Before you go to Japan To enter Japan there are 10 things to sort out before you leave, starting with “A valid passport covering your whole stay”: they are all, with their deadlines, in [the Japan checklist](https://kokai.app/en/paises/asia/japon/#antes-de-salir). Currency: Japanese yen (JPY); plugs: Type A and B · 100 V · 50/60 Hz (you need an adapter); emergencies: 110 police · 119 ambulance and fire. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Yamanaka Castle](https://kokai.app/en/paises/asia/japon/yamanaka-fort-ruins/): Building in Mishima, Shizuoka Prefecture, Japan · 1.1 km - [Mishima Skywalk](https://kokai.app/en/paises/asia/japon/mishima-skywalk/): Nature · With kids · 1.2 km - [Gekko Observatory](https://kokai.app/en/paises/asia/japon/gekkou-astronomical-observatory/): Observatory · 3.9 km - [Hakone Barrier](https://kokai.app/en/paises/asia/japon/hakone-checkpoint/): Japanese historical site · 5.1 km - [Mount Mikuni](https://kokai.app/en/paises/asia/japon/mt-mikuni/): Summit · 5.9 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: With kids - [Tokyo Disneyland](https://kokai.app/en/paises/asia/japon/tokyo-disneyland/): theme park in Japan, owned by The Oriental Land Company - [Universal Studios Japan](https://kokai.app/en/paises/asia/japon/universal-studios-japan/): theme park in Osaka, Japan - [Ueno Zoo](https://kokai.app/en/paises/asia/japon/zoologico-imperial-de-ueno/): zoo in Tokyo, Japan - [Okinawa Churaumi Aquarium](https://kokai.app/en/paises/asia/japon/acuario-churaumi-de-okinawa/): aquarium in Okinawa, Japan - [Osaka Aquarium Kaiyukan](https://kokai.app/en/paises/asia/japon/acuario-de-osaka-kaiyukan/): aquarium in Osaka, Japan - [Jigokudani Monkey Park](https://kokai.app/en/paises/asia/japon/jigokudani-monkey-park/): hot springs area with large population of wild snow monkeys Every Japan place under With kids, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/familia/). ## Frequently asked questions ### What is Hakone-no-Sati Planetarium? It is a planetarium (箱根の里プラネタリウム in the local language) in Japan. ### When is the best time to visit Hakone-no-Sati Planetarium? February to May and October to November. In June there are 14 h 21 of daylight, and in December, 9 h 39. ### How do you get to Hakone-no-Sati Planetarium? The nearest main airport is Tokyo Haneda International Airport (HND), 85 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=35.162875%2C138.982897) opens the route on the map, and how to get around Japan is explained in [its country guide](https://kokai.app/en/paises/asia/japon/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Japan map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Yamanaka Castle](https://kokai.app/en/paises/asia/japon/yamanaka-fort-ruins/), [Mishima Skywalk](https://kokai.app/en/paises/asia/japon/mishima-skywalk/), [Gekko Observatory](https://kokai.app/en/paises/asia/japon/gekkou-astronomical-observatory/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/5781768094), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).