Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.583328E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T12:24:46+0800
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    1 Object 1

    AOE ID 36416
    NORAD ID 36416
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52713
    NORAD ID 52713
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter CZ-4C R/B COSMOS 2556
    Time of Closest Approach 2026-10-18T04:20:02+0000
    Collision Probability (Pc) 1.583328E-6
    Conjunction Distance (km) 2.688 km
    Relative Speed (km/s) 15.26 km/s
    Conjunction Risk Parameters R (Radial): -2.507 | I (In-track): 0.145 | C (Cross-track): -0.958
    Collision Risk Index (CRI) 0.39
    X Position (km) 3169.135 3167.137
    Position Y (km) 5871.789 5870.016
    Position Z (km) -1644.863 -1644.567
    Velocity X (km/s) -2.484 0.064
    Velocity Y (km/s) 3.037 -2.078
    Velocity Z (km/s) 6.821 -7.328

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B COSMOS 2556
    Semimajor Axis (a) 7365.416 km 6864.142 km
    Eccentricity (e) 0.071058 0.000225
    Inclination (i) 63.3815° 97.6438°
    RAAN 72.9012° 242.1713°
    Perigee Argument 4.3012° 74.9995°
    Mean Anomaly (M) 356.3710° 285.1492°
    Apogee 1510.650 km 487.551 km
    Perigee 463.908 km 484.459 km
    Orbit Epoch 2026-10-16T15:42:11+0000 2026-10-16T20:01:30+0000

    CZ-4C R/B & COSMOS 2556 Collision Probability (Pc) Trend

    CZ-4C R/B & COSMOS 2556 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & COSMOS 2556 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & COSMOS 2556 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    COSMOS 2556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data