Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.20638E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:50:02+0800
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    1 Object 1

    AOE ID 53149
    NORAD ID 53149
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63455
    NORAD ID 63455
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4021 STARLINK-33761
    Time of Closest Approach 2026-09-04T06:34:00+0000
    Collision Probability (Pc) 1.20638E-4
    Conjunction Distance (km) 0.472 km
    Relative Speed (km/s) 4.759 km/s
    Conjunction Risk Parameters R (Radial): -0.356 | I (In-track): -0.294 | C (Cross-track): -0.093
    Collision Risk Index (CRI) 0.77
    X Position (km) 3234.601 3234.229
    Position Y (km) -2867.121 -2867.205
    Position Z (km) -5309.505 -5309.227
    Velocity X (km/s) 3.424 6.186
    Velocity Y (km/s) 6.644 4.197
    Velocity Z (km/s) -1.503 1.503

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4021 STARLINK-33761
    Semimajor Axis (a) 6840.898 km 6840.804 km
    Eccentricity (e) 0.000121 0.000113
    Inclination (i) 53.1608° 53.1606°
    RAAN 79.2187° 35.4888°
    Perigee Argument 88.8082° 81.8494°
    Mean Anomaly (M) 271.3060° 278.2637°
    Apogee 463.591 km 463.441 km
    Perigee 461.931 km 461.893 km
    Orbit Epoch 2026-09-02T14:22:31+0000 2026-09-02T03:18:38+0000

    STARLINK-4021 & STARLINK-33761 Collision Probability (Pc) Trend

    STARLINK-4021 & STARLINK-33761 Collision Probability (Pc) TrendNot Available

    STARLINK-4021 & STARLINK-33761 Miss Distance (Miss Distance) Trend

    STARLINK-4021 & STARLINK-33761 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4021Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33761Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4021Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33761Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4021

    No nearby objects data