Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.380569E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:20:32+0800
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    1 Object 1

    AOE ID 43618
    NORAD ID 43618
    Object Type PAYLOAD
    Country
    GB GB
    VS

    2 Object 2

    AOE ID 55282
    NORAD ID 55282
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SSTL S1-4 STARLINK-5330
    Time of Closest Approach 2026-09-14T04:28:37+0000
    Collision Probability (Pc) 1.380569E-6
    Conjunction Distance (km) 2.937 km
    Relative Speed (km/s) 14.918 km/s
    Conjunction Risk Parameters R (Radial): 2.921 | I (In-track): -0.065 | C (Cross-track): 0.303
    Collision Risk Index (CRI) 0.38
    X Position (km) 3155.849 3154.787
    Position Y (km) -3298.323 -3296.79
    Position Z (km) 5241.146 5238.876
    Velocity X (km/s) 2.786 -0.523
    Velocity Y (km/s) -5.086 6.253
    Velocity Z (km/s) -4.869 4.242

    Orbital Parameters 国际轨道数据源

    Parameter SSTL S1-4 STARLINK-5330
    Semimajor Axis (a) 6954.257 km 6950.083 km
    Eccentricity (e) 0.000237 0.000379
    Inclination (i) 97.4885° 69.9985°
    RAAN 123.0412° 294.9324°
    Perigee Argument 245.9929° 266.3800°
    Mean Anomaly (M) 114.1045° 93.6925°
    Apogee 577.770 km 574.581 km
    Perigee 574.470 km 569.311 km
    Orbit Epoch 2026-09-12T02:10:00+0000 2026-09-11T20:09:44+0000

    SSTL S1-4 & STARLINK-5330 Collision Probability (Pc) Trend

    SSTL S1-4 & STARLINK-5330 Collision Probability (Pc) TrendNot Available

    SSTL S1-4 & STARLINK-5330 Miss Distance (Miss Distance) Trend

    SSTL S1-4 & STARLINK-5330 Miss Distance (Miss Distance) TrendNot Available

    SSTL S1-4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5330Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SSTL S1-4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5330Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SSTL S1-4

    No nearby objects data