Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.242887E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T18:25:45+0800
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    1 Object 1

    AOE ID 43264
    NORAD ID 43264
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 53432
    NORAD ID 53432
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-4557
    Time of Closest Approach 2026-10-30T16:33:16+0000
    Collision Probability (Pc) 2.242887E-6
    Conjunction Distance (km) 2.165 km
    Relative Speed (km/s) 13.654 km/s
    Conjunction Risk Parameters R (Radial): -2.094 | I (In-track): 0.228 | C (Cross-track): 0.498
    Collision Risk Index (CRI) 0.42
    X Position (km) 3080.11 3078.679
    Position Y (km) 3302.185 3301.293
    Position Z (km) -5148.886 -5147.528
    Velocity X (km/s) -2.647 -3.449
    Velocity Y (km/s) -5.241 6.471
    Velocity Z (km/s) -4.883 2.088

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-4557
    Semimajor Axis (a) 6866.770 km 6840.868 km
    Eccentricity (e) 0.007295 0.000132
    Inclination (i) 98.1336° 53.1605°
    RAAN 233.2669° 119.3943°
    Perigee Argument 299.6192° 90.7493°
    Mean Anomaly (M) 59.7790° 269.3661°
    Apogee 538.729 km 463.635 km
    Perigee 438.537 km 461.827 km
    Orbit Epoch 2026-10-27T19:51:50+0000 2026-10-27T18:30:44+0000

    CZ-4C R/B & STARLINK-4557 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-4557 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-4557 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-4557 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-4557Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4557Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data