Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.511967E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T00:31:59+0800
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    1 Object 1

    Name IRS 1C
    AOE ID 23751
    NORAD ID 23751
    Object Type PAYLOAD
    Country
    IN IN
    ← VS →

    2 Object 2

    AOE ID 25509
    NORAD ID 25509
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRS 1C SEDSAT 1
    Time of Closest Approach 2026-10-19T18:23:28+0000
    Collision Probability (Pc) 3.511967E-6
    Conjunction Distance (km) 1.813 km
    Relative Speed (km/s) 13.465 km/s
    Conjunction Risk Parameters R (Radial): 0.756 | I (In-track): 0.701 | C (Cross-track): -1.491
    Collision Risk Index (CRI) 0.46
    X Position (km) 5145.439 5147.005
    Position Y (km) -4951.325 -4950.942
    Position Z (km) -882.51 -881.683
    Velocity X (km/s) -0.17 4.267
    Velocity Y (km/s) -1.466 4.749
    Velocity Z (km/s) 7.296 -3.794

    Orbital Parameters 国际轨道数据源

    Parameter IRS 1C SEDSAT 1
    Semimajor Axis (a) 7191.370 km 7158.333 km
    Eccentricity (e) 0.000102 0.033561
    Inclination (i) 99.0165° 31.4266°
    RAAN 314.2584° 129.0204°
    Perigee Argument 83.9164° 85.4429°
    Mean Anomaly (M) 276.2129° 278.4445°
    Apogee 813.964 km 1020.434 km
    Perigee 812.502 km 539.958 km
    Orbit Epoch 2026-10-19T01:33:23+0000 2026-10-18T23:08:34+0000

    IRS 1C & SEDSAT 1 Collision Probability (Pc) Trend

    IRS 1C & SEDSAT 1 Collision Probability (Pc) TrendNot Available

    IRS 1C & SEDSAT 1 Miss Distance (Miss Distance) Trend

    IRS 1C & SEDSAT 1 Miss Distance (Miss Distance) TrendNot Available

    IRS 1CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SEDSAT 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRS 1CCollision Probability Trend

    Object 1 Probability TrendNot Available

    SEDSAT 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRS 1C

    No nearby objects data