Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.968008E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:33:42+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 2026-09-13T22:07:58+0000
    Collision Probability (Pc) 6.968008E-6
    Conjunction Distance (km) 1.372 km
    Relative Speed (km/s) 10.127 km/s
    Conjunction Risk Parameters R (Radial): -1.014 | I (In-track): -0.693 | C (Cross-track): 0.608
    Collision Risk Index (CRI) 0.52
    X Position (km) -255.218 -255.68
    Position Y (km) -4290.28 -4290.226
    Position Z (km) 5252.214 5250.925
    Velocity X (km/s) -1.109 7.378
    Velocity Y (km/s) 5.905 1.427
    Velocity Z (km/s) 4.758 1.521

    Orbital Parameters 国际轨道数据源

    Parameter SKYSAT C4 STARLINK-1954
    Semimajor Axis (a) 6791.685 km 6795.762 km
    Eccentricity (e) 0.000053 0.000392
    Inclination (i) 96.9156° 53.0465°
    RAAN 273.0704° 209.3564°
    Perigee Argument 46.6364° 70.4678°
    Mean Anomaly (M) 313.4934° 289.6753°
    Apogee 413.912 km 420.292 km
    Perigee 413.184 km 414.958 km
    Orbit Epoch 2026-09-11T18:49:08+0000 2026-09-11T21:49:49+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