Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.410335E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T07:23:30+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 2026-10-29T20:38:25+0000
    Collision Probability (Pc) 6.410335E-6
    Conjunction Distance (km) 1.224 km
    Relative Speed (km/s) 5.1 km/s
    Conjunction Risk Parameters R (Radial): 0.381 | I (In-track): -1.091 | C (Cross-track): 0.401
    Collision Risk Index (CRI) 0.51
    X Position (km) 78.642 77.654
    Position Y (km) 115.342 115.955
    Position Z (km) 7436.566 7436.186
    Velocity X (km/s) -4.428 -7.159
    Velocity Y (km/s) 5.828 1.522
    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) 0.000169 0.000220
    Inclination (i) 88.9807° 89.0024°
    RAAN 307.4795° 348.2642°
    Perigee Argument 96.1811° 97.7222°
    Mean Anomaly (M) 263.9532° 262.4180°
    Apogee 1069.730 km 1070.118 km
    Perigee 1067.218 km 1066.838 km
    Orbit Epoch 2026-10-27T07:45:39+0000 2026-10-27T05:59:13+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