{
  "id": "navic",
  "name": "NavIC (IRNSS)",
  "aliases": [
    "IRNSS"
  ],
  "domain": "space",
  "country": "IND",
  "category": "Regional navigation satellite constellation",
  "status": "in-service",
  "fielded": null,
  "operators": [
    "IND"
  ],
  "summary": "India's regional navigation system, designed as 3 GEO and 4 inclined geosynchronous satellites.",
  "specs": [
    {
      "k": "orbit_regime",
      "v": "GEO and IGSO",
      "src": [
        "legacyias-navic"
      ],
      "conf": "medium"
    },
    {
      "k": "sats_planned",
      "v": 7,
      "src": [
        "legacyias-navic"
      ],
      "conf": "medium",
      "note": "3 GEO (32.5°E, 83°E, 131.5°E) and 4 IGSO"
    },
    {
      "k": "sats_count",
      "v": 3,
      "src": [
        "legacyias-navic"
      ],
      "conf": "low",
      "note": "Only IRNSS-1B, IRNSS-1I and NVS-01 providing navigation as of March 2026"
    },
    {
      "k": "program",
      "v": "Five second-generation NVS satellites envisaged; NVS-01 launched 29 May 2023; NVS-02 (January 2025) failed to reach its slot",
      "src": [
        "isro-nvs02"
      ],
      "conf": "medium"
    },
    {
      "k": "on_orbit",
      "v": 11,
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Payloads with current element sets in the public catalog, active or not."
    },
    {
      "k": "active_sats",
      "v": 9,
      "src": [
        "celestrak-gp"
      ],
      "conf": "medium",
      "note": "Count in the CelesTrak active satellites list, which estimates operational status."
    },
    {
      "k": "perigee_km",
      "v": [
        35691,
        35773
      ],
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    },
    {
      "k": "apogee_km",
      "v": [
        35798,
        36178
      ],
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    },
    {
      "k": "period_min",
      "v": [
        1436,
        1445.5
      ],
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    },
    {
      "k": "inclination_deg",
      "v": [
        1.83,
        36.03
      ],
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "satellite",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-11-08",
      "change": "Entry created from cited open sources"
    },
    {
      "date": "2026-11-08",
      "change": "Orbital elements from CelesTrak GP data (epoch about 2026-11-08): 11 catalogued, 9 active."
    }
  ],
  "satellites": [
    {
      "name": "IRNSS-1A",
      "norad": 39199,
      "cospar": "2013-034A",
      "perigee_km": 35691,
      "apogee_km": 35883,
      "inclination_deg": 36.03,
      "period_min": 1436.1,
      "epoch": "2026-11-07",
      "active": true,
      "owner": "IND",
      "launch": "2013-07-01"
    },
    {
      "name": "IRNSS-1B",
      "norad": 39635,
      "cospar": "2014-017A",
      "perigee_km": 35713,
      "apogee_km": 35862,
      "inclination_deg": 29.1,
      "period_min": 1436.1,
      "epoch": "2026-11-07",
      "active": true,
      "owner": "IND",
      "launch": "2014-04-04"
    },
    {
      "name": "IRNSS-1C",
      "norad": 40269,
      "cospar": "2014-061A",
      "perigee_km": 35710,
      "apogee_km": 35864,
      "inclination_deg": 6.88,
      "period_min": 1436.1,
      "epoch": "2026-11-08",
      "active": true,
      "owner": "IND",
      "launch": "2014-10-15"
    },
    {
      "name": "IRNSS-1D",
      "norad": 40547,
      "cospar": "2015-018A",
      "perigee_km": 36414,
      "apogee_km": 36482,
      "inclination_deg": 19.29,
      "period_min": 1470,
      "epoch": "2026-11-07",
      "active": false,
      "owner": null,
      "launch": null
    },
    {
      "name": "IRNSS-1E",
      "norad": 41241,
      "cospar": "2016-003A",
      "perigee_km": 35692,
      "apogee_km": 35884,
      "inclination_deg": 33.53,
      "period_min": 1436.2,
      "epoch": "2026-10-28",
      "active": true,
      "owner": "IND",
      "launch": "2016-01-20"
    },
    {
      "name": "IRNSS-1F",
      "norad": 41384,
      "cospar": "2016-015A",
      "perigee_km": 35691,
      "apogee_km": 35883,
      "inclination_deg": 5.71,
      "period_min": 1436.1,
      "epoch": "2026-11-08",
      "active": true,
      "owner": "IND",
      "launch": "2016-03-10"
    },
    {
      "name": "IRNSS-1G",
      "norad": 41469,
      "cospar": "2016-027A",
      "perigee_km": 35773,
      "apogee_km": 35798,
      "inclination_deg": 5.55,
      "period_min": 1436.1,
      "epoch": "2026-11-08",
      "active": true,
      "owner": "IND",
      "launch": "2016-04-28"
    },
    {
      "name": "IRNSS-1I",
      "norad": 43286,
      "cospar": "2018-035A",
      "perigee_km": 35697,
      "apogee_km": 35877,
      "inclination_deg": 29.09,
      "period_min": 1436.1,
      "epoch": "2026-11-07",
      "active": true,
      "owner": "IND",
      "launch": "2018-04-11"
    },
    {
      "name": "NVS-01 (IRNSS-1J)",
      "norad": 56759,
      "cospar": "2023-076A",
      "perigee_km": 35751,
      "apogee_km": 35820,
      "inclination_deg": 1.83,
      "period_min": 1436,
      "epoch": "2026-11-08",
      "active": true,
      "owner": "IND",
      "launch": "2023-05-29"
    },
    {
      "name": "NVS-02 (IRNSS-1K)",
      "norad": 62850,
      "cospar": "2025-020A",
      "perigee_km": 214,
      "apogee_km": 37250,
      "inclination_deg": 20.18,
      "period_min": 660,
      "epoch": "2026-11-07",
      "active": false,
      "owner": null,
      "launch": null
    },
    {
      "name": "NVS-03 (IRNSS-1L)",
      "norad": 101228,
      "cospar": "2026-245A",
      "perigee_km": 35763,
      "apogee_km": 36178,
      "inclination_deg": 29.93,
      "period_min": 1445.5,
      "epoch": "2026-11-05",
      "active": true,
      "owner": "IND",
      "launch": "2026-10-30"
    }
  ],
  "url": "https://www.defensepedia.com/systems/navic.html",
  "sources": {
    "legacyias-navic": {
      "title": "NavIC IRNSS constellation status notes (April 2026)",
      "publisher": "Legacy IAS",
      "url": "https://www.legacyias.com/?p=170386",
      "published": "2026-04-01",
      "tier": 3,
      "checked": "2026-11-08"
    },
    "isro-nvs02": {
      "title": "NVS-02: Advancing India's Regional Navigation Capabilities",
      "publisher": "Indian Space Research Organisation",
      "url": "https://www.isro.gov.in/ISRO_EN/NVS-02_Advancing_Navigation_Capabilities.html",
      "published": "2025-01-24",
      "tier": 1,
      "checked": "2026-11-08"
    },
    "celestrak-gp": {
      "title": "NORAD GP element sets (current data)",
      "publisher": "CelesTrak (data from the U.S. Space Force 18th/19th Space Defense Squadron catalog)",
      "url": "https://celestrak.org/NORAD/elements/",
      "published": "2026-11-08",
      "tier": 1,
      "checked": "2026-11-08"
    }
  }
}