INMARSAT 4-F1
NORAD 28628 · 2005-009A
PAYLOAD ACTIVE UNKNOWN
§ Identity
- Operator
- —
- Country
- IM
- Launch date
- 2005-03-11
- Launch site
- AFETR
- Launch vehicle
- —
- Mass (kg)
- —
- RCS (m²)
- 5.01
Purposes: comms
External: N2YO · Heavens-Above · Gunter
§ Orbital elements
Epoch: 2026-09-26T14:28:39.109152Z
- Period
- 1,436.09 min
- Inclination
- 5.3092°
- Eccentricity
- 0.0002993
- Mean motion
- 1.00272105 rev/d
- Perigee alt
- 35,773.9 km
- Apogee alt
- 35,799.1 km
- Semi-major
- 42,164.6 km
- B*
- 0.0000e+0
- RAAN
- 42.8102°
- Arg perigee
- 152.3862°
- Mean anomaly
- 205.5159°
- Rev number
- 7,868
§ Raw data
INMARSAT 4-F11 28628U 05009A 26269.60323043 .00000040 00000+0 00000+0 0 99982 28628 5.3092 42.8102 0002993 152.3862 205.5159 1.00272105 78688
JSON: /api/v1/satellites/28628 · /tle
For live sub-satellite position, see the globe view (requires WebGL).
§ Visibility from observer
Set your observer location to see the next 7 days of passes ≥ 10°. The values pass through the URL so the page stays shareable.
No JS? Fill the form by hand. The geolocation button needs JavaScript.
§ Radio — SatNOGS DB
| Mode | Description | Downlink | Uplink |
|---|---|---|---|
| BPSK | Outernet Asia/Pacific | 1.546 GHz | — |
1 transmitter · refreshed weekly from db.satnogs.org