Luxembourg-based Intelsat reports that its Intelsat 29E satellite (IS-29E) is now a total loss, after having reported earlier that the spacecraft suffered an anomaly.

Late on April 7, the Intelsat 29e propulsion system experienced damage that caused a leak of the propellant on board the satellite , resulting in a service disruption to customers..

That event caused a service outage on the Intelsat 29e satellite that affected maritime, aeronautical and wireless-operator customers in the Latin America, Caribbean and North Atlantic regions.

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While working to recover the satellite, a second anomaly occurred, after which all efforts to recover the satellite were unsuccessful, Intelsat representatives said.

The IS-29E satellite before its 2016 launch. (Image credit: Boeing)

Affected customers

"Since the anomaly, Intelsat has been in active contact with affected customers," the global satellite operator said in a statement.

"Restoration paths on other Intelsat satellites serving the region and third-party satellites have been provided for a majority of the disrupted services. Migration and service restoration are well underway, highlighting the resiliency of the Intelsat fleet and the benefit of the robust Ku-band open architecture ecosystem," the statement explained.

Quite troubling

Intelsat's declaration of IS-29E a total loss "means it will continue to drift uncontrolled along its current orbit in GEO [geostationary orbit]," said T.S. Kelso, the operator of CelesTrak, a leading source for orbital element sets and related software to keep an eye on satellites and orbital debris .

Kelso tweeted on April 16 that the current situation with IS-29E " continues to be quite troubling ," with the satellite spiraling around its spacecraft siblings IS-11 & IS-32E. Additionally, there are reports of 13 pieces of associated debris, he said.

The errant IS-29E is not the only threat in geostationary orbit (GEO) today. Here is a view of everything tracked in that region of the GEO Protected Zone. Green represents operational satellites; orange, dead ones; red, rocket bodies; and yellow, other debris. (Image credit: CelesTrak)

Nightmare scenario

In an earlier tweet , on April 11, Kelso said he "watched nervously this morning" as IS-29E and NASA's Tracking Data Relay Satellite 3 "had what we consider a 'nightmare scenario' in GEO — a high-speed encounter(~1 km/s). Let's wish Intelsat luck on getting IS-29E back under control."

The Intelsat 29E satellite launched on Jan. 27, 2016, atop an Ariane 5 booster .

Meanwhile, according to the Intelsat statement, "a failure review board has been convened with the satellite's manufacturer, Boeing, to complete a comprehensive analysis of the cause of the anomaly."

"At this point, we know that it continues to spiral around the GEO belt, drifting at about 1.2 degrees of longitude per day," Kelso told Inside Outer Space. "That means it will be making a circuit of the belt in a little less than a year, and we will have one more large object to stay on our toes about and steer clear of for all of the other 500-plus operational GEO satellites."

Interactive tool

You can keep tabs on the troublesome IS-29E satellite via CelesTrak's interactive 3D view .

Note: Click the globe icon for GEO; search for IS-29E (then clear the filter); click on IS-29E on right & track; click dots to see what they are.