Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.232042E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:49:23+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 64364
    NORAD ID 64364
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-34476
    Time of Closest Approach 2026-09-04T08:47:17+0000
    Collision Probability (Pc) 1.232042E-6
    Conjunction Distance (km) 2.128 km
    Relative Speed (km/s) 4.725 km/s
    Conjunction Risk Parameters R (Radial): 1.932 | I (In-track): 0.851 | C (Cross-track): -0.264
    Collision Risk Index (CRI) 0.37
    X Position (km) -1426.31 -1425.617
    Position Y (km) 5052.242 5050.312
    Position Z (km) 4390.995 4390.43
    Velocity X (km/s) -0.097 -4.468
    Velocity Y (km/s) 5.018 3.3
    Velocity Z (km/s) -5.752 -5.235

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-34476
    Semimajor Axis (a) 6849.156 km 6884.655 km
    Eccentricity (e) 0.003174 0.000259
    Inclination (i) 97.3325° 70.0015°
    RAAN 277.4886° 308.1881°
    Perigee Argument 62.4447° 300.9733°
    Mean Anomaly (M) 298.0012° 123.5766°
    Apogee 492.757 km 508.300 km
    Perigee 449.281 km 504.736 km
    Orbit Epoch 2026-09-02T06:00:30+0000 2026-09-02T14:00:02+0000

    CZ-4B R/B & STARLINK-34476 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-34476 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-34476 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-34476 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34476Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34476Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data