Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.527508E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T08:18:52+0800
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    1 Object 1

    AOE ID 68649
    NORAD ID 68649
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69394
    NORAD ID 69394
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter QIANFAN-122 QIANFAN-177
    Time of Closest Approach 2026-10-28T23:18:38+0000
    Collision Probability (Pc) 2.527508E-6
    Conjunction Distance (km) 1.637 km
    Relative Speed (km/s) 5.1 km/s
    Conjunction Risk Parameters R (Radial): -0.392 | I (In-track): 1.49 | C (Cross-track): 0.553
    Collision Risk Index (CRI) 0.43
    X Position (km) 78.606 77.26
    Position Y (km) 115.251 116.094
    Position Z (km) 7436.575 7436.183
    Velocity X (km/s) -4.437 -7.162
    Velocity Y (km/s) 5.821 1.511
    Velocity Z (km/s) -0.043 0.051

    Orbital Parameters 国际轨道数据源

    Parameter QIANFAN-122 QIANFAN-177
    Semimajor Axis (a) 7446.611 km 7446.615 km
    Eccentricity (e) 0.000168 0.000221
    Inclination (i) 88.9808° 89.0026°
    RAAN 307.5863° 348.3688°
    Perigee Argument 95.8389° 98.2063°
    Mean Anomaly (M) 264.2954° 261.9339°
    Apogee 1069.723 km 1070.123 km
    Perigee 1067.225 km 1066.833 km
    Orbit Epoch 2026-10-26T06:52:34+0000 2026-10-26T05:06:08+0000

    QIANFAN-122 & QIANFAN-177 Collision Probability (Pc) Trend

    QIANFAN-122 & QIANFAN-177 Collision Probability (Pc) TrendNot Available

    QIANFAN-122 & QIANFAN-177 Miss Distance (Miss Distance) Trend

    QIANFAN-122 & QIANFAN-177 Miss Distance (Miss Distance) TrendNot Available

    QIANFAN-122Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QIANFAN-122Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QIANFAN-122

    No nearby objects data