Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.599669E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:44:23+0800
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    1 Object 1

    AOE ID 44531
    NORAD ID 44531
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68973
    NORAD ID 68973
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-37387
    Time of Closest Approach 2026-09-11T16:42:57+0000
    Collision Probability (Pc) 1.599669E-6
    Conjunction Distance (km) 2.644 km
    Relative Speed (km/s) 14.843 km/s
    Conjunction Risk Parameters R (Radial): 2.442 | I (In-track): -0.255 | C (Cross-track): 0.981
    Collision Risk Index (CRI) 0.39
    X Position (km) 3431.385 3431.789
    Position Y (km) -5887.655 -5890.195
    Position Z (km) -585.27 -585.879
    Velocity X (km/s) -0.647 3.709
    Velocity Y (km/s) -1.203 2.757
    Velocity Z (km/s) 7.547 -6.078

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-37387
    Semimajor Axis (a) 6898.637 km 6840.874 km
    Eccentricity (e) 0.013105 0.000126
    Inclination (i) 98.7041° 53.1584°
    RAAN 298.4232° 122.1717°
    Perigee Argument 311.5128° 101.0754°
    Mean Anomaly (M) 47.4914° 259.0390°
    Apogee 610.905 km 463.602 km
    Perigee 430.095 km 461.872 km
    Orbit Epoch 2026-09-10T18:32:54+0000 2026-09-10T11:46:13+0000

    CZ-4B R/B & STARLINK-37387 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-37387 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-37387 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-37387 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-37387Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37387Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data