Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.891314E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:24:52+0800
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    1 Object 1

    AOE ID 37623
    NORAD ID 37623
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69801
    NORAD ID 69801
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB QIANFAN-202
    Time of Closest Approach 2026-09-05T22:07:06+0000
    Collision Probability (Pc) 1.891314E-6
    Conjunction Distance (km) 2.295 km
    Relative Speed (km/s) 12.707 km/s
    Conjunction Risk Parameters R (Radial): 1.514 | I (In-track): -0.89 | C (Cross-track): -1.476
    Collision Risk Index (CRI) 0.41
    X Position (km) -1147.41 -1146.951
    Position Y (km) 266.699 265.189
    Position Z (km) 7114.861 7116.526
    Velocity X (km/s) 4.163 -7.284
    Velocity Y (km/s) 6.132 0.866
    Velocity Z (km/s) 0.442 -1.197

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB QIANFAN-202
    Semimajor Axis (a) 7204.633 km 7222.628 km
    Eccentricity (e) 0.002022 0.000906
    Inclination (i) 98.7452° 88.9976°
    RAAN 234.1705° 353.1786°
    Perigee Argument 274.0981° 31.3958°
    Mean Anomaly (M) 85.7884° 328.7768°
    Apogee 841.064 km 851.034 km
    Perigee 811.928 km 837.948 km
    Orbit Epoch 2026-09-04T18:38:50+0000 2026-09-04T20:10:55+0000

    CZ-4 DEB & QIANFAN-202 Collision Probability (Pc) Trend

    CZ-4 DEB & QIANFAN-202 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & QIANFAN-202 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & QIANFAN-202 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-202Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-202Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data