Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.872573E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T04:25:07+0800
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    1 Object 1

    AOE ID 28415
    NORAD ID 28415
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 53841
    NORAD ID 53841
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-4750
    Time of Closest Approach 2026-10-25T03:00:12+0000
    Collision Probability (Pc) 4.872573E-6
    Conjunction Distance (km) 1.364 km
    Relative Speed (km/s) 5.817 km/s
    Conjunction Risk Parameters R (Radial): -0.571 | I (In-track): -1.144 | C (Cross-track): -0.472
    Collision Risk Index (CRI) 0.49
    X Position (km) -5907.018 -5906.208
    Position Y (km) 3280.207 3280.123
    Position Z (km) 1057.902 1058.995
    Velocity X (km/s) -0.539 -3.077
    Velocity Y (km/s) 1.426 -3.59
    Velocity Z (km/s) -7.489 -5.998

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-4750
    Semimajor Axis (a) 6847.250 km 6837.873 km
    Eccentricity (e) 0.002818 0.000141
    Inclination (i) 97.3256° 53.1700°
    RAAN 328.7376° 342.1096°
    Perigee Argument 233.3497° 321.4706°
    Mean Anomaly (M) 126.5154° 38.6196°
    Apogee 488.409 km 460.701 km
    Perigee 449.817 km 458.771 km
    Orbit Epoch 2026-10-24T01:10:49+0000 2026-10-24T04:24:01+0000

    CZ-4B R/B & STARLINK-4750 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-4750 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-4750 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-4750 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4750Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4750Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data