Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.546887E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:48:28+0800
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    1 Object 1

    AOE ID 51854
    NORAD ID 51854
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68446
    NORAD ID 68446
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter STARLINK-3541 HADES-SA (SPINNYONE)
    Time of Closest Approach 2026-10-21T17:27:12+0000
    Collision Probability (Pc) 1.546887E-6
    Conjunction Distance (km) 2.693 km
    Relative Speed (km/s) 14.73 km/s
    Conjunction Risk Parameters R (Radial): 1.843 | I (In-track): -0.5 | C (Cross-track): -1.898
    Collision Risk Index (CRI) 0.39
    X Position (km) -2026.685 -2028.93
    Position Y (km) -6495.202 -6496.302
    Position Z (km) -968.036 -969.036
    Velocity X (km/s) 4.648 -1.267
    Velocity Y (km/s) -0.563 -0.71
    Velocity Z (km/s) -6.01 7.478

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3541 HADES-SA (SPINNYONE)
    Semimajor Axis (a) 6872.063 km 6874.736 km
    Eccentricity (e) 0.000280 0.000680
    Inclination (i) 53.2272° 97.4543°
    RAAN 73.9542° 250.0234°
    Perigee Argument 127.9930° 23.0988°
    Mean Anomaly (M) 232.1322° 337.0553°
    Apogee 495.849 km 501.274 km
    Perigee 492.003 km 491.924 km
    Orbit Epoch 2026-10-20T02:50:58+0000 2026-10-20T03:38:51+0000

    STARLINK-3541 & HADES-SA (SPINNYONE) Collision Probability (Pc) Trend

    STARLINK-3541 & HADES-SA (SPINNYONE) Collision Probability (Pc) TrendNot Available

    STARLINK-3541 & HADES-SA (SPINNYONE) Miss Distance (Miss Distance) Trend

    STARLINK-3541 & HADES-SA (SPINNYONE) Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3541Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HADES-SA (SPINNYONE)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3541Collision Probability Trend

    Object 1 Probability TrendNot Available

    HADES-SA (SPINNYONE)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3541

    No nearby objects data