Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.348797E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T17:18:13+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 64951
    NORAD ID 64951
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-34738
    Time of Closest Approach 2026-10-16T11:15:39+0000
    Collision Probability (Pc) 2.348797E-6
    Conjunction Distance (km) 2.181 km
    Relative Speed (km/s) 15.112 km/s
    Conjunction Risk Parameters R (Radial): -2.107 | I (In-track): -0.084 | C (Cross-track): 0.555
    Collision Risk Index (CRI) 0.42
    X Position (km) 5125.181 5126.429
    Position Y (km) -3674.73 -3676.316
    Position Z (km) -2669.149 -2669.977
    Velocity X (km/s) 1.79 -2.999
    Velocity Y (km/s) -2.583 0.859
    Velocity Z (km/s) 6.954 -6.959

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-34738
    Semimajor Axis (a) 6847.602 km 6843.642 km
    Eccentricity (e) 0.002796 0.000264
    Inclination (i) 97.3264° 97.2843°
    RAAN 320.5961° 146.3284°
    Perigee Argument 264.5305° 82.2362°
    Mean Anomaly (M) 95.2747° 277.9180°
    Apogee 488.613 km 467.314 km
    Perigee 450.317 km 463.696 km
    Orbit Epoch 2026-10-15T19:41:14+0000 2026-10-15T07:45:18+0000

    CZ-4B R/B & STARLINK-34738 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-34738 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-34738 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-34738 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34738Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34738Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data