diff --git a/src/layers/satellites/classes.js b/src/layers/satellites/classes.js
index 07822089e..deaf1b3da 100644
--- a/src/layers/satellites/classes.js
+++ b/src/layers/satellites/classes.js
@@ -147,10 +147,14 @@ function launchYearOf(launchDate) {
 /**
  * The class a satellite belongs to.
  * @param {{noradId?: number, name?: string, group?: string|null,
+ *   groups?: string[]|null,
  *   ucs?: {purpose?: string|null}|null,
  *   satcat?: {objectType?: string, opsStatus?: string,
  *     launchDate?: string|null}|null,
- *   launchYear?: number|null, nowYear?: number}} subject `launchYear` is
+ *   launchYear?: number|null, nowYear?: number}} subject `groups` is every
+ *   CelesTrak group the TLE came in (`group` is the one it is shown under):
+ *   the first of them that names a class gives the last-resort class, so a
+ *   satellite in both `visual` and `resource` is still imaging. `launchYear` is
  *   the TLE designator's; SATCAT's launch date wins where it has one (an
  *   object deployed from the ISS carries the station's 1998 designator).
  * @returns {'stations'|'imaging'|'telecom'|'starlink'|'probes'|'debris'}
@@ -161,6 +165,7 @@ export function classifySatellite({
   group = null,
   ucs = null,
   satcat = null,
+  groups = null,
   launchYear = null,
   nowYear = new Date().getUTCFullYear(),
 } = {}) {
@@ -199,7 +204,10 @@ export function classifySatellite({
   )
     return 'debris';
 
-  return GROUP_CLASS[group] || 'probes';
+  const memberships = groups?.length ? groups : [group];
+  for (const membership of memberships)
+    if (GROUP_CLASS[membership]) return GROUP_CLASS[membership];
+  return 'probes';
 }
 
 /** Whether a class may be ridden in the Cockpit's orbital view. */
diff --git a/src/layers/satellites/ingestion.js b/src/layers/satellites/ingestion.js
index e1d888081..f65b476ee 100644
--- a/src/layers/satellites/ingestion.js
+++ b/src/layers/satellites/ingestion.js
@@ -72,8 +72,16 @@ export function createIngestion({
         continue;
       }
       if (group.stale && satcatState === 'current') satcatState = 'stale';
-      for (const [noradId, record] of group.records)
-        layerState._satcat.set(noradId, record);
+      for (const [noradId, record] of group.records) {
+        // A group served from the proxy's last copy never overrules a
+        // current read of the same object, from this merge or an earlier one.
+        const held = layerState._satcat.get(noradId);
+        if (group.stale && held && !held.stale) continue;
+        layerState._satcat.set(
+          noradId,
+          group.stale ? { ...record, stale: true } : record,
+        );
+      }
     }
     if (!groups.length) return;
     const changed = layerState._satcatState !== satcatState;
@@ -100,6 +108,7 @@ export function createIngestion({
         noradId,
         name: sat.name,
         group: sat.group,
+        groups: sat.groups,
         ucs: sat.ucs,
         satcat,
         launchYear: sat.launchYear,
@@ -259,6 +268,18 @@ export function createIngestion({
             allEntries.push({ ...e, group: r.tag, stale: r.stale });
         }
 
+        // Every group each TLE came in, keyed by its catalog-number column:
+        // the shown tag is the first, but classification reads them all.
+        const groupsByNumber = new Map();
+        for (const entry of allEntries) {
+          const number = String(entry.line1 || '')
+            .slice(2, 7)
+            .trim();
+          const groups = groupsByNumber.get(number);
+          if (!groups) groupsByNumber.set(number, [entry.group]);
+          else if (!groups.includes(entry.group)) groups.push(entry.group);
+        }
+
         // Deduplicate by NORAD ID — first (most specific) group tag wins
         const seen = new Set();
         let coreStale = false;
@@ -275,10 +296,16 @@ export function createIngestion({
           const launchYear = tleLineLaunchYear(entry.line1);
           const ucs = layerState._ucs?.get(noradId) || null;
           const satcat = layerState._satcat.get(noradId) || null;
+          const groups = groupsByNumber.get(
+            String(entry.line1 || '')
+              .slice(2, 7)
+              .trim(),
+          ) || [entry.group];
           layerState._catalog.set(noradId, {
             name: entry.name,
             satrec,
             group: entry.group,
+            groups,
             // satellite.js does not keep the designator the year match reads.
             launchYear,
             line1: entry.line1,
@@ -287,6 +314,7 @@ export function createIngestion({
               noradId,
               name: entry.name,
               group: entry.group,
+              groups,
               ucs,
               satcat,
               launchYear,
diff --git a/src/layers/satellites/ingestion.test.mjs b/src/layers/satellites/ingestion.test.mjs
index 494ff8e09..c25b90158 100644
--- a/src/layers/satellites/ingestion.test.mjs
+++ b/src/layers/satellites/ingestion.test.mjs
@@ -61,8 +61,10 @@ function ingestionFor(catalogText, { source: sourceExtras = {} } = {}) {
     catalog: {},
   };
   const source = {
-    async readGroup() {
-      return { ok: true, text: catalogText };
+    async readGroup(path) {
+      const text =
+        typeof catalogText === 'function' ? catalogText(path) : catalogText;
+      return { ok: true, text };
     },
     ...sourceExtras,
   };
@@ -141,9 +143,10 @@ test('a hanging SATCAT read neither holds the catalog nor is lost when it lands'
   const satcatAnswer = new Promise((resolve) => {
     answer = resolve;
   });
-  const { state, update } = ingestionFor(tleSet('OLD STAGE', '40115'), {
-    source: { readSatcat: () => satcatAnswer },
-  });
+  const { state, update } = ingestionFor(
+    (path) => (path === 'stations' ? tleSet('OLD STAGE', '40115') : ''),
+    { source: { readSatcat: () => satcatAnswer } },
+  );
   state._enabled = true;
   const settle = async () => {
     for (let turn = 0; turn < 20; turn += 1)
@@ -170,6 +173,45 @@ test('a hanging SATCAT read neither holds the catalog nor is lost when it lands'
   assert.equal(state._satcatState, 'stale', 'its staleness is kept');
 });
 
+test('a satellite in visual and resource is imaging, whichever group shows it', async (t) => {
+  t.mock.method(console, 'log', () => {});
+  t.mock.method(console, 'warn', () => {});
+  // A name no pattern knows, no UCS record and no SATCAT: only its groups.
+  const { state, update } = ingestionFor((path) =>
+    path === 'visual' || path === 'resource' ? tleSet('ZZ TESTSAT', '50001') : '',
+  );
+  await update();
+  const sat = state._catalog.get(50001);
+  assert.equal(sat.group, 'visual', 'shown under the first group');
+  assert.deepEqual(sat.groups, ['visual', 'resource']);
+  assert.equal(sat.satelliteClass, 'imaging');
+});
+
+test('a stale SATCAT copy never overrules a current read of the same object', async (t) => {
+  t.mock.method(console, 'log', () => {});
+  t.mock.method(console, 'warn', () => {});
+  const header =
+    'OBJECT_NAME,OBJECT_ID,NORAD_CAT_ID,OBJECT_TYPE,OPS_STATUS_CODE,OWNER\n';
+  const { state, update } = ingestionFor(tleSet('ZZ TESTSAT', '50002'), {
+    source: {
+      // visual is current and says it died; resource, a cached copy, still
+      // says it works.
+      readSatcat: async (path) =>
+        path === 'visual'
+          ? { ok: true, text: `${header}ZZ TESTSAT,2015-001A,50002,PAY,-,US` }
+          : path === 'resource'
+            ? {
+                ok: true,
+                stale: true,
+                text: `${header}ZZ TESTSAT,2015-001A,50002,PAY,+,US`,
+              }
+            : { ok: true, text: header },
+    },
+  });
+  await update();
+  assert.equal(state._catalog.get(50002).satelliteClass, 'debris');
+});
+
 test('a failed SATCAT read is told on the layer row, not only the console', async (t) => {
   t.mock.method(console, 'log', () => {});
   t.mock.method(console, 'warn', () => {});