Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.715855E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:00:04+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 52093
    NORAD ID 52093
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-3673
    Time of Closest Approach 2026-10-17T21:06:39+0000
    Collision Probability (Pc) 2.715855E-6
    Conjunction Distance (km) 2.04 km
    Relative Speed (km/s) 14.745 km/s
    Conjunction Risk Parameters R (Radial): -0.751 | I (In-track): 0.484 | C (Cross-track): 1.833
    Collision Risk Index (CRI) 0.44
    X Position (km) -5239.396 -5239.815
    Position Y (km) 4209.992 4208.077
    Position Z (km) -1290.985 -1291.548
    Velocity X (km/s) 1.744 -3.802
    Velocity Y (km/s) -0.13 -2.922
    Velocity Z (km/s) -7.434 5.94

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-3673
    Semimajor Axis (a) 6847.551 km 6840.854 km
    Eccentricity (e) 0.002795 0.000127
    Inclination (i) 97.3264° 53.1585°
    RAAN 321.8236° 153.4649°
    Perigee Argument 259.8465° 95.0589°
    Mean Anomaly (M) 99.9623° 265.0559°
    Apogee 488.557 km 463.587 km
    Perigee 450.271 km 461.847 km
    Orbit Epoch 2026-10-17T01:28:07+0000 2026-10-17T00:50:53+0000

    CZ-4B R/B & STARLINK-3673 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-3673 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-3673 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-3673 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-3673Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3673Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data