Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.264586E-6
    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 2026-09-11T20:34:27+0000
    Collision Probability (Pc) 1.264586E-6
    Conjunction Distance (km) 2.571 km
    Relative Speed (km/s) 9.19 km/s
    Conjunction Risk Parameters R (Radial): -0.265 | I (In-track): -2.043 | C (Cross-track): 1.538
    Collision Risk Index (CRI) 0.37
    X Position (km) -360.774 -362.037
    Position Y (km) -4551.119 -4552.537
    Position Z (km) 5022.056 5020.322
    Velocity X (km/s) -0.926 7.032
    Velocity Y (km/s) 5.676 1.996
    Velocity Z (km/s) 5.065 2.312

    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