Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.252312E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:30:18+0800
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    1 Object 1

    AOE ID 41771
    NORAD ID 41771
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 47555
    NORAD ID 47555
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SKYSAT C4 STARLINK-1954
    Time of Closest Approach 2026-09-11T19:01:31+0000
    Collision Probability (Pc) 5.252312E-4
    Conjunction Distance (km) 0.252 km
    Relative Speed (km/s) 9.161 km/s
    Conjunction Risk Parameters R (Radial): -0.25 | I (In-track): 0.021 | C (Cross-track): -0.009
    Collision Risk Index (CRI) 0.89
    X Position (km) -363.834 -363.814
    Position Y (km) -4562.224 -4562.04
    Position Z (km) 5011.78 5011.61
    Velocity X (km/s) -0.921 7.019
    Velocity Y (km/s) 5.666 2.013
    Velocity Z (km/s) 5.078 2.336

    Orbital Parameters 国际轨道数据源

    Parameter SKYSAT C4 STARLINK-1954
    Semimajor Axis (a) 6791.784 km 6796.454 km
    Eccentricity (e) 0.000071 0.000399
    Inclination (i) 96.9157° 53.0466°
    RAAN 271.8920° 217.7072°
    Perigee Argument 43.8610° 63.1910°
    Mean Anomaly (M) 316.2699° 296.9506°
    Apogee 414.131 km 421.032 km
    Perigee 413.163 km 415.602 km
    Orbit Epoch 2026-09-10T13:24:01+0000 2026-09-10T04:02:12+0000

    SKYSAT C4 & STARLINK-1954 Collision Probability (Pc) Trend

    SKYSAT C4 & STARLINK-1954 Collision Probability (Pc) TrendNot Available

    SKYSAT C4 & STARLINK-1954 Miss Distance (Miss Distance) Trend

    SKYSAT C4 & STARLINK-1954 Miss Distance (Miss Distance) TrendNot Available

    SKYSAT C4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1954Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SKYSAT C4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1954Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SKYSAT C4

    No nearby objects data