Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.44733E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:04:57+0800
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    1 Object 1

    AOE ID 55461
    NORAD ID 55461
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63770
    NORAD ID 63770
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5646 STARLINK-33884
    Time of Closest Approach 2026-09-13T07:35:09+0000
    Collision Probability (Pc) 2.44733E-5
    Conjunction Distance (km) 0.868 km
    Relative Speed (km/s) 6.427 km/s
    Conjunction Risk Parameters R (Radial): 0.664 | I (In-track): -0.507 | C (Cross-track): 0.232
    Collision Risk Index (CRI) 0.63
    X Position (km) -2531.834 -2532.083
    Position Y (km) 4916.097 4915.363
    Position Z (km) 4053.447 4053.058
    Velocity X (km/s) -7.021 -5.279
    Velocity Y (km/s) -1.475 -4.859
    Velocity Z (km/s) -2.59 2.589

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5646 STARLINK-33884
    Semimajor Axis (a) 6861.201 km 6861.067 km
    Eccentricity (e) 0.000124 0.000107
    Inclination (i) 43.0042° 42.9972°
    RAAN 7.7025° 78.7391°
    Perigee Argument 268.9986° 263.1289°
    Mean Anomaly (M) 91.0724° 96.9440°
    Apogee 483.915 km 483.665 km
    Perigee 482.213 km 482.195 km
    Orbit Epoch 2026-09-10T00:36:00+0000 2026-09-10T22:50:00+0000

    STARLINK-5646 & STARLINK-33884 Collision Probability (Pc) Trend

    STARLINK-5646 & STARLINK-33884 Collision Probability (Pc) TrendNot Available

    STARLINK-5646 & STARLINK-33884 Miss Distance (Miss Distance) Trend

    STARLINK-5646 & STARLINK-33884 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5646Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33884Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5646Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33884Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5646

    No nearby objects data