Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.384774E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T07:13:53+0800
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    1 Object 1

    AOE ID 49123
    NORAD ID 49123
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63568
    NORAD ID 63568
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-32940
    Time of Closest Approach 2026-09-17T02:55:52+0000
    Collision Probability (Pc) 3.384774E-6
    Conjunction Distance (km) 1.844 km
    Relative Speed (km/s) 13.695 km/s
    Conjunction Risk Parameters R (Radial): -1.412 | I (In-track): -0.528 | C (Cross-track): -1.059
    Collision Risk Index (CRI) 0.46
    X Position (km) 4158.383 4156.588
    Position Y (km) -3801.546 -3801.191
    Position Z (km) 3908.76 3908.536
    Velocity X (km/s) 2.295 3.119
    Velocity Y (km/s) -3.933 6.35
    Velocity Z (km/s) -6.154 2.852

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-32940
    Semimajor Axis (a) 6914.700 km 6861.110 km
    Eccentricity (e) 0.010691 0.000131
    Inclination (i) 98.3597° 43.0002°
    RAAN 128.9370° 284.2646°
    Perigee Argument 111.0778° 277.7097°
    Mean Anomaly (M) 250.1920° 82.3607°
    Apogee 610.492 km 483.871 km
    Perigee 462.634 km 482.075 km
    Orbit Epoch 2026-09-14T13:51:43+0000 2026-09-14T11:54:56+0000

    CZ-4C R/B & STARLINK-32940 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-32940 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-32940 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-32940 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-32940Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32940Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data