Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.571614E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T11:21:45+0800
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    1 Object 1

    AOE ID 68650
    NORAD ID 68650
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69388
    NORAD ID 69388
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter QIANFAN-123 QIANFAN-171
    Time of Closest Approach 2026-10-19T03:00:21+0000
    Collision Probability (Pc) 7.571614E-7
    Conjunction Distance (km) 2.938 km
    Relative Speed (km/s) 5.093 km/s
    Conjunction Risk Parameters R (Radial): 0.415 | I (In-track): -2.725 | C (Cross-track): 1.017
    Collision Risk Index (CRI) 0.33
    X Position (km) -75.545 -78.036
    Position Y (km) -118.269 -116.767
    Position Z (km) -7453.869 -7454.282
    Velocity X (km/s) 4.527 7.17
    Velocity Y (km/s) -5.729 -1.377
    Velocity Z (km/s) 0.045 -0.054

    Orbital Parameters 国际轨道数据源

    Parameter QIANFAN-123 QIANFAN-171
    Semimajor Axis (a) 7446.639 km 7446.594 km
    Eccentricity (e) 0.000143 0.000206
    Inclination (i) 88.9815° 89.0062°
    RAAN 308.4986° 349.2651°
    Perigee Argument 93.1401° 100.0598°
    Mean Anomaly (M) 266.9914° 260.0786°
    Apogee 1069.569 km 1069.994 km
    Perigee 1067.435 km 1066.920 km
    Orbit Epoch 2026-10-17T07:00:43+0000 2026-10-17T19:27:31+0000

    QIANFAN-123 & QIANFAN-171 Collision Probability (Pc) Trend

    QIANFAN-123 & QIANFAN-171 Collision Probability (Pc) TrendNot Available

    QIANFAN-123 & QIANFAN-171 Miss Distance (Miss Distance) Trend

    QIANFAN-123 & QIANFAN-171 Miss Distance (Miss Distance) TrendNot Available

    QIANFAN-123Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QIANFAN-123Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QIANFAN-123

    No nearby objects data