Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.513553E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T15:17:19+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 56468
    NORAD ID 56468
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SSTL S1-4 STARLINK-5998
    Time of Closest Approach 2026-10-16T22:22:41+0000
    Collision Probability (Pc) 1.513553E-6
    Conjunction Distance (km) 2.719 km
    Relative Speed (km/s) 14.55 km/s
    Conjunction Risk Parameters R (Radial): 1.884 | I (In-track): -0.54 | C (Cross-track): -1.884
    Collision Risk Index (CRI) 0.39
    X Position (km) -3155.578 -3155.892
    Position Y (km) 487.033 485.402
    Position Z (km) -6180.301 -6178.148
    Velocity X (km/s) -6.04 3.57
    Velocity Y (km/s) 3.103 -6.253
    Velocity Z (km/s) 3.322 -2.315

    Orbital Parameters 国际轨道数据源

    Parameter SSTL S1-4 STARLINK-5998
    Semimajor Axis (a) 6946.695 km 6950.187 km
    Eccentricity (e) 0.001014 0.000343
    Inclination (i) 97.4810° 69.9978°
    RAAN 155.5410° 310.4289°
    Perigee Argument 189.2757° 270.4723°
    Mean Anomaly (M) 170.8281° 89.6043°
    Apogee 575.603 km 574.432 km
    Perigee 561.513 km 569.668 km
    Orbit Epoch 2026-10-15T22:38:18+0000 2026-10-15T08:24:37+0000

    SSTL S1-4 & STARLINK-5998 Collision Probability (Pc) Trend

    SSTL S1-4 & STARLINK-5998 Collision Probability (Pc) TrendNot Available

    SSTL S1-4 & STARLINK-5998 Miss Distance (Miss Distance) Trend

    SSTL S1-4 & STARLINK-5998 Miss Distance (Miss Distance) TrendNot Available

    SSTL S1-4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5998Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SSTL S1-4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5998Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SSTL S1-4

    No nearby objects data