Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.510055E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T20:40:42+0800
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    1 Object 1

    AOE ID 52258
    NORAD ID 52258
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 53529
    NORAD ID 53529
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-4478
    Time of Closest Approach 2026-10-23T22:16:09+0000
    Collision Probability (Pc) 1.510055E-6
    Conjunction Distance (km) 2.656 km
    Relative Speed (km/s) 13.621 km/s
    Conjunction Risk Parameters R (Radial): 0.665 | I (In-track): 1.145 | C (Cross-track): 2.302
    Collision Risk Index (CRI) 0.39
    X Position (km) 4536.382 4534.669
    Position Y (km) -123.202 -125.15
    Position Z (km) -5189.995 -5190.562
    Velocity X (km/s) 5.507 -2.176
    Velocity Y (km/s) -1.807 6.979
    Velocity Z (km/s) 4.95 -2.071

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-4478
    Semimajor Axis (a) 6933.052 km 6887.240 km
    Eccentricity (e) 0.011125 0.000264
    Inclination (i) 98.2265° 53.2138°
    RAAN 348.1519° 124.8436°
    Perigee Argument 7.1426° 87.5563°
    Mean Anomaly (M) 353.1351° 272.5735°
    Apogee 632.044 km 510.920 km
    Perigee 477.786 km 507.286 km
    Orbit Epoch 2026-10-23T04:55:11+0000 2026-10-22T18:19:36+0000

    CZ-4C R/B & STARLINK-4478 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-4478 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-4478 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-4478 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-4478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data