| Date | Change Type | Time Delta (hours) | Reason |
| Jul 18, 2017 | OBSERVER_REQUESTED | +2.7 | as per July 17, 2017 APT submission message from Andras Gaspar |
| Oct 31, 2017 | OBSERVER_REQUESTED | -0.5 | Christine Chen email October 31, 2017 |
| Nov 06, 2017 | OBSERVER_REQUESTED | -0.5 | Reversed previous change |
| Nov 06, 2017 | ADMINISTRATION | +1.0 | Previous change was supposed to be +0.5 instead of -0.5. Correcting error and also adding the intended +0.5. |
| Nov 14, 2017 | OBSERVER_REQUESTED | -0.3 | As per November 14, 2017 email from Andras Gaspar |
| May 19, 2020 | OBSERVER_REQUESTED | -22.7 | GTOs changing allocations, |
| Dec 19, 2020 | OVERHEAD_CHANGE | +0.4 | APT 2020.5 |
| Aug 04, 2022 | OVERHEAD_CHANGE | +1.1 | APT 2022.3.3 |
| Nov 18, 2022 | OVERHEAD_CHANGE | +1.1 | APT 2022.7.1 |
| May 19, 2023 | OVERHEAD_CHANGE | +0.4 | APT 2023.3.1 |
