Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.766912E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:38:36+0800
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    1 Object 1

    AOE ID 26383
    NORAD ID 26383
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 47839
    NORAD ID 47839
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-3A R/B STARLINK-2431
    Time of Closest Approach 2026-09-05T16:32:36+0000
    Collision Probability (Pc) 2.766912E-6
    Conjunction Distance (km) 1.81 km
    Relative Speed (km/s) 9.233 km/s
    Conjunction Risk Parameters R (Radial): 1.275 | I (In-track): -1.101 | C (Cross-track): -0.659
    Collision Risk Index (CRI) 0.44
    X Position (km) 2985.338 2985.778
    Position Y (km) -5528.41 -5526.661
    Position Z (km) -2738.636 -2738.495
    Velocity X (km/s) 9.084 3.294
    Velocity Y (km/s) 2.423 4.395
    Velocity Z (km/s) 1.623 -5.291

    Orbital Parameters 国际轨道数据源

    Parameter CZ-3A R/B STARLINK-2431
    Semimajor Axis (a) 15770.284 km 6848.883 km
    Eccentricity (e) 0.577997 0.000133
    Inclination (i) 27.4308° 53.1606°
    RAAN 358.9522° 112.2427°
    Perigee Argument 271.6942° 88.0788°
    Mean Anomaly (M) 26.8690° 272.0366°
    Apogee 18507.329 km 471.659 km
    Perigee 276.965 km 469.833 km
    Orbit Epoch 2026-09-01T14:19:57+0000 2026-09-02T21:51:31+0000

    CZ-3A R/B & STARLINK-2431 Collision Probability (Pc) Trend

    CZ-3A R/B & STARLINK-2431 Collision Probability (Pc) TrendNot Available

    CZ-3A R/B & STARLINK-2431 Miss Distance (Miss Distance) Trend

    CZ-3A R/B & STARLINK-2431 Miss Distance (Miss Distance) TrendNot Available

    CZ-3A R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-3A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-3A R/B

    No nearby objects data