Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.142057E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T09:26:11+0800
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    1 Object 1

    AOE ID 61945
    NORAD ID 61945
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63064
    NORAD ID 63064
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-11421 STARLINK-11408
    Time of Closest Approach 2026-10-21T11:21:57+0000
    Collision Probability (Pc) 1.142057E-6
    Conjunction Distance (km) 2.815 km
    Relative Speed (km/s) 9.726 km/s
    Conjunction Risk Parameters R (Radial): -2.774 | I (In-track): 0.367 | C (Cross-track): 0.303
    Collision Risk Index (CRI) 0.36
    X Position (km) -3938.108 -3936.851
    Position Y (km) 4287.388 4285.322
    Position Z (km) 3381.706 3380.266
    Velocity X (km/s) -5.821 -3.397
    Velocity Y (km/s) -1.554 -5.928
    Velocity Z (km/s) -4.792 3.549

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-11421 STARLINK-11408
    Semimajor Axis (a) 6737.721 km 6734.466 km
    Eccentricity (e) 0.000121 0.000204
    Inclination (i) 53.1535° 43.0011°
    RAAN 344.7974° 99.8150°
    Perigee Argument 81.7840° 265.3274°
    Mean Anomaly (M) 278.3316° 94.7361°
    Apogee 360.403 km 357.702 km
    Perigee 358.765 km 354.956 km
    Orbit Epoch 2026-10-20T04:12:42+0000 2026-10-20T12:16:42+0000

    STARLINK-11421 & STARLINK-11408 Collision Probability (Pc) Trend

    STARLINK-11421 & STARLINK-11408 Collision Probability (Pc) TrendNot Available

    STARLINK-11421 & STARLINK-11408 Miss Distance (Miss Distance) Trend

    STARLINK-11421 & STARLINK-11408 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-11421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11408Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-11421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11408Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-11421

    No nearby objects data