Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.594138E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:20:49+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 60308
    NORAD ID 60308
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FIREFLY ALPHA R/B STARLINK-11192
    Time of Closest Approach 2026-09-12T19:57:35+0000
    Collision Probability (Pc) 2.594138E-4
    Conjunction Distance (km) 0.449 km
    Relative Speed (km/s) 14.871 km/s
    Conjunction Risk Parameters R (Radial): -0.324 | I (In-track): -0.078 | C (Cross-track): 0.3
    Collision Risk Index (CRI) 0.83
    X Position (km) -3577.457 -3577.044
    Position Y (km) 5705.938 5705.819
    Position Z (km) 230.157 230.031
    Velocity X (km/s) 0.957 -4.025
    Velocity Y (km/s) 0.287 -2.266
    Velocity Z (km/s) 7.622 -6.154

    Orbital Parameters 国际轨道数据源

    Parameter FIREFLY ALPHA R/B STARLINK-11192
    Semimajor Axis (a) 6726.507 km 6737.879 km
    Eccentricity (e) 0.001552 0.000109
    Inclination (i) 97.1960° 53.1583°
    RAAN 120.2945° 315.3231°
    Perigee Argument 209.1601° 97.3133°
    Mean Anomaly (M) 150.8798° 262.8009°
    Apogee 358.811 km 360.478 km
    Perigee 337.929 km 359.006 km
    Orbit Epoch 2026-09-10T20:38:44+0000 2026-09-10T10:40:09+0000

    FIREFLY ALPHA R/B & STARLINK-11192 Collision Probability (Pc) Trend

    FIREFLY ALPHA R/B & STARLINK-11192 Collision Probability (Pc) TrendNot Available

    FIREFLY ALPHA R/B & STARLINK-11192 Miss Distance (Miss Distance) Trend

    FIREFLY ALPHA R/B & STARLINK-11192 Miss Distance (Miss Distance) TrendNot Available

    FIREFLY ALPHA R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11192Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FIREFLY ALPHA R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11192Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FIREFLY ALPHA R/B

    No nearby objects data