Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.686481E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:00:06+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 52304
    NORAD ID 52304
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-3744
    Time of Closest Approach 2026-10-18T00:16:15+0000
    Collision Probability (Pc) 1.686481E-6
    Conjunction Distance (km) 2.553 km
    Relative Speed (km/s) 14.713 km/s
    Conjunction Risk Parameters R (Radial): 1.265 | I (In-track): -0.606 | C (Cross-track): -2.132
    Collision Risk Index (CRI) 0.4
    X Position (km) -5064.944 -5064.785
    Position Y (km) 4165.435 4167.936
    Position Z (km) -1954.459 -1953.971
    Velocity X (km/s) 2.324 -4.342
    Velocity Y (km/s) -0.596 -2.609
    Velocity Z (km/s) -7.251 5.709

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-3744
    Semimajor Axis (a) 6847.551 km 6840.865 km
    Eccentricity (e) 0.002795 0.000130
    Inclination (i) 97.3264° 53.1590°
    RAAN 321.8236° 156.4819°
    Perigee Argument 259.8465° 98.3361°
    Mean Anomaly (M) 99.9623° 261.7789°
    Apogee 488.557 km 463.619 km
    Perigee 450.271 km 461.837 km
    Orbit Epoch 2026-10-17T01:28:07+0000 2026-10-17T08:43:45+0000

    CZ-4B R/B & STARLINK-3744 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-3744 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-3744 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-3744 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-3744Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3744Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data