Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.344677E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:48:35+0800
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    1 Object 1

    AOE ID 704
    NORAD ID 704
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63174
    NORAD ID 63174
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter TRANSIT 5B-2 QIANFAN-88
    Time of Closest Approach 2026-09-13T00:57:03+0000
    Collision Probability (Pc) 1.344677E-6
    Conjunction Distance (km) 2.886 km
    Relative Speed (km/s) 13.701 km/s
    Conjunction Risk Parameters R (Radial): -2.865 | I (In-track): 0.133 | C (Cross-track): -0.311
    Collision Risk Index (CRI) 0.38
    X Position (km) 64.287 63.924
    Position Y (km) 204.779 204.683
    Position Z (km) 7429.371 7426.51
    Velocity X (km/s) -2.539 -2.673
    Velocity Y (km/s) -6.874 6.82
    Velocity Z (km/s) 0.228 -0.16

    Orbital Parameters 国际轨道数据源

    Parameter TRANSIT 5B-2 QIANFAN-88
    Semimajor Axis (a) 7460.959 km 7446.613 km
    Eccentricity (e) 0.003655 0.001404
    Inclination (i) 89.9179° 88.9659°
    RAAN 69.7436° 291.5947°
    Perigee Argument 54.5494° 73.0125°
    Mean Anomaly (M) 109.1192° 287.2563°
    Apogee 1110.089 km 1078.931 km
    Perigee 1055.555 km 1058.021 km
    Orbit Epoch 2026-09-10T23:24:43+0000 2026-09-10T22:43:57+0000

    TRANSIT 5B-2 & QIANFAN-88 Collision Probability (Pc) Trend

    TRANSIT 5B-2 & QIANFAN-88 Collision Probability (Pc) TrendNot Available

    TRANSIT 5B-2 & QIANFAN-88 Miss Distance (Miss Distance) Trend

    TRANSIT 5B-2 & QIANFAN-88 Miss Distance (Miss Distance) TrendNot Available

    TRANSIT 5B-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-88Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TRANSIT 5B-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-88Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TRANSIT 5B-2

    No nearby objects data