Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.507333E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:44:37+0800
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    1 Object 1

    AOE ID 29539
    NORAD ID 29539
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name GRUS-3C
    AOE ID 69891
    NORAD ID 69891
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter CZ-4B DEB GRUS-3C
    Time of Closest Approach 2026-10-22T05:06:26+0000
    Collision Probability (Pc) 1.507333E-6
    Conjunction Distance (km) 2.753 km
    Relative Speed (km/s) 14.917 km/s
    Conjunction Risk Parameters R (Radial): 2.751 | I (In-track): -0.018 | C (Cross-track): 0.1
    Collision Risk Index (CRI) 0.39
    X Position (km) -5856.997 -5859.292
    Position Y (km) -924.562 -925.027
    Position Z (km) 3658.945 3660.391
    Velocity X (km/s) -4.072 3.7
    Velocity Y (km/s) 0.563 1.795
    Velocity Z (km/s) -6.325 6.347

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB GRUS-3C
    Semimajor Axis (a) 6929.369 km 6970.873 km
    Eccentricity (e) 0.006218 0.000687
    Inclination (i) 97.7266° 97.7405°
    RAAN 1.9644° 191.8047°
    Perigee Argument 356.5607° 143.6265°
    Mean Anomaly (M) 125.8159° 216.5422°
    Apogee 594.317 km 597.528 km
    Perigee 508.147 km 587.944 km
    Orbit Epoch 2026-10-20T00:20:31+0000 2026-10-20T04:39:59+0000

    CZ-4B DEB & GRUS-3C Collision Probability (Pc) Trend

    CZ-4B DEB & GRUS-3C Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & GRUS-3C Miss Distance (Miss Distance) Trend

    CZ-4B DEB & GRUS-3C Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GRUS-3CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    GRUS-3CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data