Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.340339E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T04:40:17+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) 1.340339E-6
    Conjunction Distance (km) 2.893 km
    Relative Speed (km/s) 13.701 km/s
    Conjunction Risk Parameters R (Radial): -2.873 | I (In-track): 0.109 | C (Cross-track): -0.314
    Collision Risk Index (CRI) 0.38
    X Position (km) 64.273 63.915
    Position Y (km) 204.742 204.67
    Position Z (km) 7429.377 7426.508
    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) 0.003657 0.001406
    Inclination (i) 89.9179° 88.9660°
    RAAN 69.7475° 291.6334°
    Perigee Argument 55.8338° 73.9517°
    Mean Anomaly (M) 358.0280° 286.3181°
    Apogee 1110.107 km 1078.945 km
    Perigee 1055.537 km 1058.007 km
    Orbit Epoch 2026-09-10T12:10:21+0000 2026-09-10T13:50:42+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