Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.738602E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:59:00+0800
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    1 Object 1

    AOE ID 53663
    NORAD ID 53663
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61903
    NORAD ID 61903
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4457 OBJECT K
    Time of Closest Approach 2026-09-04T04:17:46+0000
    Collision Probability (Pc) 4.738602E-4
    Conjunction Distance (km) 0.317 km
    Relative Speed (km/s) 14.918 km/s
    Conjunction Risk Parameters R (Radial): 0.278 | I (In-track): -0.043 | C (Cross-track): -0.145
    Collision Risk Index (CRI) 0.89
    X Position (km) 2837.341 2837.11
    Position Y (km) -2931.956 -2931.936
    Position Z (km) 5487.052 5486.836
    Velocity X (km/s) 3.001 -5.353
    Velocity Y (km/s) -5.435 3.159
    Velocity Z (km/s) -4.444 4.437

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4457 OBJECT K
    Semimajor Axis (a) 6843.712 km 6846.193 km
    Eccentricity (e) 0.000192 0.001063
    Inclination (i) 97.2840° 97.4045°
    RAAN 122.5893° 322.5534°
    Perigee Argument 92.1354° 119.3072°
    Mean Anomaly (M) 268.0109° 240.9234°
    Apogee 466.888 km 475.333 km
    Perigee 464.262 km 460.779 km
    Orbit Epoch 2026-09-02T14:09:43+0000 2026-09-02T14:27:15+0000

    STARLINK-4457 & OBJECT K Collision Probability (Pc) Trend

    STARLINK-4457 & OBJECT K Collision Probability (Pc) TrendNot Available

    STARLINK-4457 & OBJECT K Miss Distance (Miss Distance) Trend

    STARLINK-4457 & OBJECT K Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4457Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT KMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4457Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT KCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4457

    No nearby objects data