Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.443315E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T09:58:51+0800
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    1 Object 1

    AOE ID 54780
    NORAD ID 54780
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64679
    NORAD ID 64679
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5449 STARLINK-34489
    Time of Closest Approach 2026-09-16T15:10:13+0000
    Collision Probability (Pc) 3.443315E-4
    Conjunction Distance (km) 0.32 km
    Relative Speed (km/s) 7.715 km/s
    Conjunction Risk Parameters R (Radial): 0.237 | I (In-track): -0.186 | C (Cross-track): 0.108
    Collision Risk Index (CRI) 0.86
    X Position (km) 4713.275 4713.085
    Position Y (km) 575.92 576.115
    Position Z (km) 4914.867 4914.698
    Velocity X (km/s) 1.957 -3.557
    Velocity Y (km/s) 6.882 6.208
    Velocity Z (km/s) -2.676 2.676

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5449 STARLINK-34489
    Semimajor Axis (a) 6840.862 km 6840.833 km
    Eccentricity (e) 0.000123 0.000120
    Inclination (i) 53.1588° 53.1603°
    RAAN 253.4980° 330.1386°
    Perigee Argument 84.8404° 86.0176°
    Mean Anomaly (M) 275.2739° 274.0964°
    Apogee 463.568 km 463.517 km
    Perigee 461.882 km 461.875 km
    Orbit Epoch 2026-09-13T06:56:29+0000 2026-09-13T14:59:09+0000

    STARLINK-5449 & STARLINK-34489 Collision Probability (Pc) Trend

    STARLINK-5449 & STARLINK-34489 Collision Probability (Pc) TrendNot Available

    STARLINK-5449 & STARLINK-34489 Miss Distance (Miss Distance) Trend

    STARLINK-5449 & STARLINK-34489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5449Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5449Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5449

    No nearby objects data