Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.375621E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:44:38+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 ET-001A
    AOE ID 69925
    NORAD ID 69925
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB ET-001A
    Time of Closest Approach 2026-10-21T21:07:40+0000
    Collision Probability (Pc) 9.375621E-5
    Conjunction Distance (km) 0.68 km
    Relative Speed (km/s) 14.916 km/s
    Conjunction Risk Parameters R (Radial): 0.661 | I (In-track): 0.034 | C (Cross-track): -0.154
    Collision Risk Index (CRI) 0.74
    X Position (km) -5833.846 -5834.427
    Position Y (km) -894.519 -894.448
    Position Z (km) 3702.226 3702.57
    Velocity X (km/s) -4.117 3.753
    Velocity Y (km/s) 0.58 1.792
    Velocity Z (km/s) -6.295 6.318

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB ET-001A
    Semimajor Axis (a) 6929.369 km 6967.166 km
    Eccentricity (e) 0.006218 0.000861
    Inclination (i) 97.7266° 97.7403°
    RAAN 1.9644° 192.2859°
    Perigee Argument 356.5607° 151.1544°
    Mean Anomaly (M) 125.8159° 209.0153°
    Apogee 594.317 km 595.028 km
    Perigee 508.147 km 583.030 km
    Orbit Epoch 2026-10-20T00:20:31+0000 2026-10-20T12:48:36+0000

    CZ-4B DEB & ET-001A Collision Probability (Pc) Trend

    CZ-4B DEB & ET-001A Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & ET-001A Miss Distance (Miss Distance) Trend

    CZ-4B DEB & ET-001A Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ET-001AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ET-001ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data