Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.408721E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:42:33+0800
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    1 Object 1

    AOE ID 57798
    NORAD ID 57798
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58076
    NORAD ID 58076
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-30500
    Time of Closest Approach 2026-09-05T08:59:51+0000
    Collision Probability (Pc) 1.408721E-6
    Conjunction Distance (km) 2.674 km
    Relative Speed (km/s) 12.31 km/s
    Conjunction Risk Parameters R (Radial): -0.524 | I (In-track): -1.547 | C (Cross-track): 2.116
    Collision Risk Index (CRI) 0.38
    X Position (km) -2388.531 -2390.528
    Position Y (km) -4438.108 -4438.084
    Position Z (km) 4647.168 4645.391
    Velocity X (km/s) 1.085 6.431
    Velocity Y (km/s) 5.197 -4.062
    Velocity Z (km/s) 5.531 -0.57

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-30500
    Semimajor Axis (a) 6933.276 km 6861.179 km
    Eccentricity (e) 0.010931 0.000084
    Inclination (i) 98.3123° 43.0026°
    RAAN 247.3780° 150.2348°
    Perigee Argument 38.0724° 267.5732°
    Mean Anomaly (M) 322.8159° 92.5023°
    Apogee 630.926 km 483.622 km
    Perigee 479.352 km 482.462 km
    Orbit Epoch 2026-09-03T10:30:00+0000 2026-09-04T02:45:44+0000

    CZ-4C R/B & STARLINK-30500 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-30500 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-30500 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-30500 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30500Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30500Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data