The mirror array

Cycle 48 · 2352
Cycle 48 · 2352
Light Delivered
69%
C-38108%
of dome demand
Mirrors On Station
19/24
C-3824/24
Units Lost
5
C-380

Array Status

Array status

Mirrors, by orbital station

Nominal14Drifting5Lost5
Light

24 mirrors at their assigned arcs: 14 nominal, 5 drifting, 5 lost. The ring delivers 66% of its rated output.

MirrorArcConditionDeliveredShare of rated
M-010°Nominal101 Ml98%
M-0215°Nominal92 Ml98%
M-0330°Nominal100 Ml98%
M-0445°Nominal92 Ml98%
M-0560°Nominal87 Ml97%
M-0675°Nominal98 Ml98%
M-0790°Drifting43 Ml39%
M-08105°Lost0 Ml0%
M-09120°Lost0 Ml0%
M-10135°Lost0 Ml0%
M-11150°Drifting50 Ml50%
M-12165°Lost0 Ml0%
M-13180°Drifting36 Ml31%
M-14195°Drifting34 Ml37%
M-15210°Lost0 Ml0%
M-16225°Nominal106 Ml94%
M-17240°Drifting65 Ml57%
M-18255°Nominal100 Ml97%
M-19270°Nominal93 Ml98%
M-20285°Nominal95 Ml96%
M-21300°Nominal107 Ml96%
M-22315°Nominal94 Ml99%
M-23330°Nominal114 Ml99%
M-24345°Nominal86 Ml96%
Nominal14Drifting5Lost5
Focus

Alignment against delivered light

Nominal0.95 mradDrifting6.35 mrad
Light
6.35 mrad
Tight cluster is a healthy array. Drift to the right is a unit losing station.

Alignment error against delivered light, worst-aimed first. Mean error is 0.95 mrad among units holding alignment and 6.35 mrad among units drifting. Units on the surface report no alignment: five are not listed.

MirrorConditionAlignment errorDeliveredShare of rated
M-17Drifting8.54 mrad65 Ml57%
M-07Drifting7.56 mrad43 Ml39%
M-14Drifting6.05 mrad34 Ml37%
M-13Drifting5.27 mrad36 Ml31%
M-11Drifting4.33 mrad50 Ml50%
M-20Nominal1.50 mrad95 Ml96%
M-04Nominal1.46 mrad92 Ml98%
M-19Nominal1.43 mrad93 Ml98%
M-24Nominal1.33 mrad86 Ml96%
M-16Nominal1.29 mrad106 Ml94%
M-02Nominal1.24 mrad92 Ml98%
M-05Nominal0.96 mrad87 Ml97%
M-22Nominal0.94 mrad94 Ml99%
M-01Nominal0.88 mrad101 Ml98%
M-23Nominal0.55 mrad114 Ml99%
M-06Nominal0.52 mrad98 Ml98%
M-03Nominal0.45 mrad100 Ml98%
M-21Nominal0.41 mrad107 Ml96%
M-18Nominal0.38 mrad100 Ml97%
Nominal0.95 mradDrifting6.35 mrad

Recovery

Recovery

Output after realignment

Nominal100%· 14Drifting65%· 5
Light
65%
Share of rated output, per surviving unit.

Mean share of rated output per cycle, 14 units holding alignment against 5 drifting. Trailing 24 cycles of a longer log.

CycleNominal meanDrifting mean
Cycle 25 · 235297%96%
Cycle 26 · 235297%97%
Cycle 27 · 235296%98%
Cycle 28 · 235297%96%
Cycle 29 · 235298%97%
Cycle 30 · 235297%97%
Cycle 31 · 235298%97%
Cycle 32 · 235296%97%
Cycle 33 · 235296%98%
Cycle 34 · 235297%98%
Cycle 35 · 235297%99%
Cycle 36 · 235297%97%
Cycle 37 · 235297%98%
Cycle 38 · 235297%97%
Cycle 39 · 2352102%44%
Cycle 40 · 2352101%48%
Cycle 41 · 2352100%53%
Cycle 42 · 2352101%54%
Cycle 43 · 2352100%49%
Cycle 44 · 2352102%51%
Cycle 45 · 2352101%53%
Cycle 46 · 2352101%55%
Cycle 47 · 2352100%59%
Cycle 48 · 2352100%65%
Nominal100%· 14Drifting65%· 5
Station-keeping

Burns held per cycle

Nominal4.5Drifting19.1
Light
26.9
Rising spend is the tell that a unit is about to be written off.

Heaviest 8 shown. 11 further units hold station inside the normal band.

Station-keeping burns held per cycle, heaviest 8 first. Mean is 4.5 among units holding alignment and 19.1 among units drifting. 11 further units hold station inside the normal band and are not listed.

MirrorConditionBurns per cycleDelivered
M-11Drifting26.950 Ml
M-14Drifting19.034 Ml
M-13Drifting18.036 Ml
M-07Drifting17.243 Ml
M-17Drifting14.565 Ml
M-05Nominal6.887 Ml
M-23Nominal6.5114 Ml
M-24Nominal6.486 Ml
Nominal4.5Drifting19.1

The Light Budget

The light budget

Light delivered against dome demand

Delivered1.5k MlDemand2.2k MlShortfall698 Ml
Light
69%
of dome demand

Light delivered against dome demand per cycle, with the shortfall between them. Coverage closes at 69% of demand, against 108% before the incident. Trailing 24 cycles of a longer log.

CycleDeliveredDemandShortfall
Cycle 25 · 23522.3k Ml2.3k Ml70 Ml
Cycle 26 · 23522.3k Ml2.3k Ml5 Ml
Cycle 27 · 23522.3k Ml2.2k Ml5 Ml
Cycle 28 · 23522.2k Ml2.3k Ml39 Ml
Cycle 29 · 23522.2k Ml2.2k Ml1 Ml
Cycle 30 · 23522.3k Ml2.2k Ml19 Ml
Cycle 31 · 23522.3k Ml2.2k Ml19 Ml
Cycle 32 · 23522.3k Ml2.3k Ml2 Ml
Cycle 33 · 23522.3k Ml2.2k Ml99 Ml
Cycle 34 · 23522.3k Ml2.2k Ml121 Ml
Cycle 35 · 23522.4k Ml2.2k Ml117 Ml
Cycle 36 · 23522.4k Ml2.3k Ml153 Ml
Cycle 37 · 23522.4k Ml2.3k Ml156 Ml
Cycle 38 · 23522.4k Ml2.2k Ml169 Ml
Cycle 39 · 23521.7k Ml2.2k Ml520 Ml
Cycle 40 · 23521.7k Ml2.3k Ml566 Ml
Cycle 41 · 23521.6k Ml2.2k Ml588 Ml
Cycle 42 · 23521.6k Ml2.3k Ml625 Ml
Cycle 43 · 23521.6k Ml2.3k Ml615 Ml
Cycle 44 · 23521.6k Ml2.2k Ml619 Ml
Cycle 45 · 23521.6k Ml2.2k Ml649 Ml
Cycle 46 · 23521.6k Ml2.3k Ml682 Ml
Cycle 47 · 23521.6k Ml2.3k Ml678 Ml
Cycle 48 · 23521.5k Ml2.2k Ml698 Ml
Delivered1.5k MlDemand2.2k MlShortfall698 Ml

Debris

Debris

Close approaches with wreckage

Close approaches29Evasive burns6
Light
29
What the fight left in orbit, and what it still threatens.

Close approaches with wreckage per cycle, and how many forced a mirror to burn fuel dodging. The last cycle runs 29 approaches against a pre-incident mean of 1. Trailing 12 cycles of a longer log.

CycleClose approachesEvasive burns
Cycle 37 · 235200
Cycle 38 · 235210
Cycle 39 · 2352113
Cycle 40 · 2352225
Cycle 41 · 2352206
Cycle 42 · 2352216
Cycle 43 · 2352205
Cycle 44 · 2352229
Cycle 45 · 2352255
Cycle 46 · 2352176
Cycle 47 · 23522810
Cycle 48 · 2352296
Close approaches29Evasive burns6