MMS 4

LIVE
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Link to this page

https://orbinauts.com/satellites/40485

  • NORAD 40485
  • 2015-011D
  • Highly elliptical orbit

Current orbit

Where MMS 4 is on the world map, with the orbit it is flying
View on live map

Orbit began over the Pacific Ocean

Orbit ends over the Atlantic Ocean

Past trackNext orbits

In view from you

Nobody watches MMS 4 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 MMS 4, 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 Red Sea LIVE

Where is MMS 4?

At 5:35:23 PM UTC MMS 4 was over the Red Sea (16.2° N, 40.8° E), 115,441 km up, moving at 1.57 km/s and in sunlight.

What is MMS 4?

A satellite in a highly elliptical orbit, in space since Mar 13, 2015.

Can I see MMS 4?

No, not with the naked eye: no brightness has been published for MMS 4, and nothing here estimates one.

General

Operator
NASA Goddard Space Flight Center
State
United States of America
Built by
NASA Goddard Space Flight Center
Launched
Mass
about 1.4 t
Operating
Yes
Orbit class
Highly elliptical 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
5:35 PM UTC
Station time (UTC)
5:35 PM UTC
Latitude / longitude
16.2° N, 40.8° E
Altitude
115,441 km
Speed
1.57 km/s (5,641 km/h)
Course
west
Light
In sunlight
Inclination
73.2°
Orbital period
5,047.5 minutes
Orbits per day
0.29
This orbit
10,932 to 171,254 km
In view from
Within 8,570 km of the point below it
Elements epoch
Nov 8, 2026, 8:00 AM, 9 hours old
Source
Position from Space-Track orbital elements of Nov 8, 2026, 8:00 AM, 9 hours old.

No operator publishes an ephemeris for MMS 4, so every position here comes from its orbital elements.

In orbit

Close approaches
No close approach to MMS 4 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

MMS 4 shares its launch, 2015-011, with 3 other bodies the catalogue lists in orbit.

BodyWhat it is
MMS 1Satellite
MMS 2Satellite
MMS 3Satellite

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, 8:00 AM, 9 hours old.

{
  "OBJECT_NAME": "MMS 4",
  "OBJECT_ID": "2015-011D",
  "EPOCH": "2026-11-08T08:00:03.000384",
  "MEAN_MOTION": 0.28528775,
  "ECCENTRICITY": 0.82240366,
  "INCLINATION": 73.1981,
  "RA_OF_ASC_NODE": 347.1953,
  "ARG_OF_PERICENTER": 170.5624,
  "MEAN_ANOMALY": 257.6701,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 40485,
  "ELEMENT_SET_NO": 999,
  "REV_AT_EPOCH": 130,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -0.00000306,
  "MEAN_MOTION_DDOT": 0
}