Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.004967E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:20:49+0800
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    1 Object 1

    AOE ID 60194
    NORAD ID 60194
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60210
    NORAD ID 60210
    Object Type ROCKET BODY
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-11152 FIREFLY ALPHA R/B
    Time of Closest Approach 2026-09-11T18:08:41+0000
    Collision Probability (Pc) 1.004967E-5
    Conjunction Distance (km) 1.327 km
    Relative Speed (km/s) 14.625 km/s
    Conjunction Risk Parameters R (Radial): -1.326 | I (In-track): -0.004 | C (Cross-track): 0.036
    Collision Risk Index (CRI) 0.55
    X Position (km) -2590.801 -2591.34
    Position Y (km) 5129.84 5130.831
    Position Z (km) 3509.233 3509.932
    Velocity X (km/s) -6.117 2.798
    Velocity Y (km/s) 0.117 -3.038
    Velocity Z (km/s) -4.671 6.485

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11152 FIREFLY ALPHA R/B
    Semimajor Axis (a) 6737.911 km 6726.507 km
    Eccentricity (e) 0.000107 0.001552
    Inclination (i) 53.1585° 97.1960°
    RAAN 330.1296° 120.2945°
    Perigee Argument 74.0225° 209.1601°
    Mean Anomaly (M) 286.0911° 150.8798°
    Apogee 360.496 km 358.811 km
    Perigee 359.052 km 337.929 km
    Orbit Epoch 2026-09-10T12:31:16+0000 2026-09-10T20:38:44+0000

    STARLINK-11152 & FIREFLY ALPHA R/B Collision Probability (Pc) Trend

    STARLINK-11152 & FIREFLY ALPHA R/B Collision Probability (Pc) TrendNot Available

    STARLINK-11152 & FIREFLY ALPHA R/B Miss Distance (Miss Distance) Trend

    STARLINK-11152 & FIREFLY ALPHA R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11152Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FIREFLY ALPHA R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11152Collision Probability Trend

    Object 1 Probability TrendNot Available

    FIREFLY ALPHA R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11152

    No nearby objects data