Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.139342E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:24:16+0800
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    1 Object 1

    AOE ID 26196
    NORAD ID 26196
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69851
    NORAD ID 69851
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB QIANFAN-222
    Time of Closest Approach 2026-10-23T02:22:44+0000
    Collision Probability (Pc) 5.139342E-6
    Conjunction Distance (km) 1.596 km
    Relative Speed (km/s) 13.415 km/s
    Conjunction Risk Parameters R (Radial): -0.717 | I (In-track): -0.569 | C (Cross-track): 1.307
    Collision Risk Index (CRI) 0.49
    X Position (km) 838.806 838.054
    Position Y (km) 1212.541 1213.675
    Position Z (km) 7291.31 7290.477
    Velocity X (km/s) 7.169 -4.584
    Velocity Y (km/s) 0.416 -5.52
    Velocity Z (km/s) -1.119 1.443

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB QIANFAN-222
    Semimajor Axis (a) 7345.745 km 7446.615 km
    Eccentricity (e) 0.033521 0.000175
    Inclination (i) 98.8766° 89.0144°
    RAAN 182.0046° 50.7530°
    Perigee Argument 220.7922° 106.1434°
    Mean Anomaly (M) 295.3946° 253.9910°
    Apogee 1213.842 km 1069.782 km
    Perigee 721.374 km 1067.174 km
    Orbit Epoch 2026-10-20T04:59:30+0000 2026-10-20T11:46:46+0000

    CZ-4 DEB & QIANFAN-222 Collision Probability (Pc) Trend

    CZ-4 DEB & QIANFAN-222 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & QIANFAN-222 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & QIANFAN-222 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-222Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-222Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data