Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.094322E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-09T20:59:41+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-1B
    AOE ID 47934
    NORAD ID 47934
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter CZ-4B DEB GRUS-1B
    Time of Closest Approach 2026-11-09T16:06:43+0000
    Collision Probability (Pc) 3.094322E-6
    Conjunction Distance (km) 1.946 km
    Relative Speed (km/s) 14.958 km/s
    Conjunction Risk Parameters R (Radial): -1.919 | I (In-track): 0.047 | C (Cross-track): 0.31
    Collision Risk Index (CRI) 0.45
    X Position (km) 5429.243 5427.836
    Position Y (km) 1678.376 1677.614
    Position Z (km) 3983.785 3982.679
    Velocity X (km/s) -3.703 4.467
    Velocity Y (km/s) -2.446 0.113
    Velocity Z (km/s) 6.135 -6.13

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB GRUS-1B
    Semimajor Axis (a) 6927.985 km 6948.140 km
    Eccentricity (e) 0.006079 0.001428
    Inclination (i) 97.7251° 97.5155°
    RAAN 21.9329° 191.5172°
    Perigee Argument 287.5311° 184.5433°
    Mean Anomaly (M) 247.8400° 175.5664°
    Apogee 591.966 km 579.923 km
    Perigee 507.730 km 560.083 km
    Orbit Epoch 2026-11-08T23:11:19+0000 2026-11-09T07:27:31+0000

    CZ-4B DEB & GRUS-1B Collision Probability (Pc) Trend

    CZ-4B DEB & GRUS-1B Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & GRUS-1B Miss Distance (Miss Distance) Trend

    CZ-4B DEB & GRUS-1B Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GRUS-1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    GRUS-1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data