Ume-2

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Link to this page

https://orbinauts.com/satellites/10674

  • UME 2 (ISS-B)
  • NORAD 10674
  • 1978-018A
  • Low Earth orbit

Current orbit

Where Ume-2 is on the world map, with the orbit it is flying
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Orbit began over the Atlantic Ocean

Orbit ends over the Atlantic Ocean

Sunlit since

Enters the Earth’s shadow

Past trackNext orbits

In view from you

Nobody watches Ume-2 go over, but a receiver still asks whether it is above the horizon. Say where you are and this card answers.

Your position is rounded to about a kilometre and sent only to the Orbinauts API, to find the pass.

No brightness has been published for Ume-2, so it is not a naked-eye satellite and no city page carries pass times for it. Nothing here estimates one.

Seeing it

There is nothing to go outside for: it is too faint to see with the naked eye from anywhere on Earth.

Timeline

  1. Launch

    Launched, on the day GCAT records. Source

Summary

Over the Atlantic Ocean LIVE

Where is Ume-2?

At 6:21:05 PM UTC Ume-2 was over the Atlantic Ocean (7° S, 6.1° W), 1,011 km up, moving at 7.39 km/s and in sunlight.

What is Ume-2?

A satellite in low Earth orbit, in space since Feb 16, 1978.

Can I see Ume-2?

No, not with the naked eye: no brightness has been published for Ume-2, and nothing here estimates one.

General

Operator
National Space Development Adminstration
State
Japan (Nippon), State of
Built by
Mitsubishi Electric Co.
Launched
Mass
141 kg
Operating
No: its regular operations have ended
Orbit class
Low Earth orbit

From GCAT, Jonathan McDowell’s general catalogue, licensed CC BY 4.0: the operator, the state, the manufacturer, the launch day, the mass, and whether it is operating. The orbit class is read from its current elements.

Latest orbital data

Position received
6:21 PM UTC
Station time (UTC)
6:21 PM UTC
Latitude / longitude
7° S, 6.1° W
Altitude
1,011 km
Speed
7.39 km/s (26,600 km/h)
Course
north
Light
In sunlight until 6:37 PM UTC
Inclination
69.4°
Orbital period
107.2 minutes
Orbits per day
13.44
This orbit
969 to 1,218 km
In shadow
18 minutes of each orbit
In view from
Within 2,420 km of the point below it
Elements epoch
Nov 8, 2026, 12:40 AM, 17 hours old
Source
Position from Space-Track orbital elements of Nov 8, 2026, 12:40 AM, 17 hours old.

No operator publishes an ephemeris for Ume-2, so every position here comes from its orbital elements.

In orbit

Close approaches
No close approach to Ume-2 has been reported publicly in the past thirty days.

From Space-Track’s public conjunction messages; the latest report was issued Nov 8, 2026, 1:11 PM, 3 hours old. Only approaches serious enough to be reported publicly are listed: within three days and, for two bodies near the Earth, closer than a kilometre with a chance of a collision above 1 in 10,000, the level at which NASA moves the ISS.

See every close approach reported in orbit.

Launched with

Ume-2 shares its launch, 1978-018, with 2 other bodies the catalogue lists in orbit.

BodyWhat it is
N-1 R/BRocket body
N-1 DEBDebris

Read from the international designators of the US catalogue: the year and the launch number every piece of one launch shares. A body that has come down is no longer listed.

Data and API

The current elements from Space-Track as an OMM object, epoch Nov 8, 2026, 12:40 AM, 17 hours old.

{
  "OBJECT_NAME": "UME 2 (ISS-B)",
  "OBJECT_ID": "1978-018A",
  "EPOCH": "2026-11-08T00:40:10.172928",
  "MEAN_MOTION": 13.43718665,
  "ECCENTRICITY": 0.01665555,
  "INCLINATION": 69.3632,
  "RA_OF_ASC_NODE": 321.2286,
  "ARG_OF_PERICENTER": 307.4122,
  "MEAN_ANOMALY": 80.7724,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 10674,
  "ELEMENT_SET_NO": 999,
  "REV_AT_EPOCH": 38996,
  "BSTAR": 0.000034889266,
  "MEAN_MOTION_DOT": -2.9e-7,
  "MEAN_MOTION_DDOT": 0
}