Object 63986 beside Object 66746
An object Space-Track has not named yet moved up beside another, 2.0 km away at the nearest, and left after 8 days.
Left · the one that moved opened the distance on April 15, 2026
- Nearest
- 2.0 km
- Apr 7 · 10:06 PM UTC
- Beside for
- 8 days
- Apr 7, 10:06 PM to Apr 15, 11:31 AM UTC
- Took to come beside
- 0 min
- same plane Apr 7, same height Apr 7
- Orbit
- LEO
- low Earth orbit
Whether either operator has said what this rendezvous was is not recorded yet. What others said is below; this page draws no conclusion.
The stages
Each step is one of Space-Track’s element sets, run through SGP4 and set against the other’s. A stage is raised by one set and confirmed when a later one agrees.
published Apr 8, 3:22 AM UTC
Same plane seen
Object 63986’s orbit was found in Object 66746’s plane, 0.001° off, and 0.06 km lower.
Δa −0.06 km · θ 0.001°
published Apr 8, 3:22 AM UTC
Same height seen
Object 63986’s orbit had come to within 0.06 km of Object 66746’s height.
2.04 km · Δa −0.06 km · θ 0.001°
published Apr 8, 3:22 AM UTC
Beside raised
A set placed Object 63986 beside Object 66746. One set raises it; a later one must agree.
2.04 km · 9.1 km a day later · Δa −0.06 km · θ 0.001°
published 6:56 AM UTC
Beside confirmed
A later set agreed: Object 63986 stayed beside Object 66746.
2.78 km · 9.3 km a day later · Δa −0.08 km · θ 0.001°
published 4:26 PM UTC
Left raised
A set saw Object 63986 moving away from Object 66746. One set raises it; a later one must agree.
211.98 km · 281.6 km a day later · Δa −0.59 km · θ 0.011°
published Apr 16, 12:16 AM UTC
Left confirmed
A later set agreed: Object 63986 had left Object 66746.
233.18 km · 306.3 km a day later · Δa −0.61 km · θ 0.011°
Reported elsewhere
No report elsewhere names this rendezvous yet.
Every verdict as numbers
| Stage | State | Set epoch (UTC) | Published (UTC) | Distance | A day later | Δa | θ | Exclusion |
|---|---|---|---|---|---|---|---|---|
| Same plane | seen | 2026-04-07 22:06:18 | 2026-04-08 03:22:28 | −0.06 km | 0.0011° | |||
| Same height | seen | 2026-04-07 22:06:18 | 2026-04-08 03:22:28 | 2.04 km | −0.06 km | 0.0011° | ||
| Beside | raised | 2026-04-07 22:06:18 | 2026-04-08 03:22:28 | 2.04 km | 9.08 km | −0.06 km | 0.0011° | |
| Beside | confirmed | 2026-04-08 02:50:17 | 2026-04-08 06:56:33 | 2.78 km | 9.32 km | −0.08 km | 0.0014° | |
| Left | raised | 2026-04-15 11:31:39 | 2026-04-15 16:26:29 | 211.98 km | 281.60 km | −0.59 km | 0.0107° | |
| Left | confirmed | 2026-04-15 19:24:54 | 2026-04-16 00:16:21 | 233.18 km | 306.27 km | −0.61 km | 0.0110° |
Δa is the semi-major axis of the one that moved less the other’s; θ is the angle between the two orbits’ planes. A day later is where the set puts the two 24 hours on, with no further manoeuvre. An exclusion tag on any verdict would keep the pair off the list.