Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.501312E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T21:18:31+0800
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    1 Object 1

    AOE ID 37181
    NORAD ID 37181
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 56334
    NORAD ID 56334
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-5548
    Time of Closest Approach 2026-10-12T20:26:39+0000
    Collision Probability (Pc) 9.501312E-7
    Conjunction Distance (km) 2.755 km
    Relative Speed (km/s) 6.665 km/s
    Conjunction Risk Parameters R (Radial): -0.865 | I (In-track): -2.361 | C (Cross-track): -1.122
    Collision Risk Index (CRI) 0.35
    X Position (km) -737.937 -739.638
    Position Y (km) -669.924 -667.947
    Position Z (km) 6761.319 6762.203
    Velocity X (km/s) -6.873 -1.68
    Velocity Y (km/s) 3.357 7.427
    Velocity Z (km/s) -0.39 0.549

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-5548
    Semimajor Axis (a) 6886.101 km 6843.716 km
    Eccentricity (e) 0.007258 0.000157
    Inclination (i) 97.7702° 97.2781°
    RAAN 333.6694° 281.3670°
    Perigee Argument 67.5694° 58.3981°
    Mean Anomaly (M) 293.3206° 301.7415°
    Apogee 557.941 km 466.656 km
    Perigee 457.987 km 464.502 km
    Orbit Epoch 2026-10-12T04:14:03+0000 2026-10-11T23:42:43+0000

    CZ-4B R/B & STARLINK-5548 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-5548 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-5548 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-5548 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-5548Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5548Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data