Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.779243E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:24:13+0800
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    1 Object 1

    AOE ID 66041
    NORAD ID 66041
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69407
    NORAD ID 69407
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter QIANFAN-99 QIANFAN-189
    Time of Closest Approach 2026-09-07T14:46:32+0000
    Collision Probability (Pc) 3.779243E-6
    Conjunction Distance (km) 1.75 km
    Relative Speed (km/s) 12.877 km/s
    Conjunction Risk Parameters R (Radial): -0.117 | I (In-track): -0.83 | C (Cross-track): 1.536
    Collision Risk Index (CRI) 0.47
    X Position (km) 123.063 124.62
    Position Y (km) 243.417 242.627
    Position Z (km) 7432.989 7432.872
    Velocity X (km/s) -6.005 -0.212
    Velocity Y (km/s) -4.178 7.312
    Velocity Z (km/s) 0.236 -0.235

    Orbital Parameters 国际轨道数据源

    Parameter QIANFAN-99 QIANFAN-189
    Semimajor Axis (a) 7446.649 km 7446.616 km
    Eccentricity (e) 0.000159 0.000171
    Inclination (i) 89.0032° 88.9874°
    RAAN 35.1355° 271.9082°
    Perigee Argument 92.1679° 106.5662°
    Mean Anomaly (M) 267.9655° 253.5678°
    Apogee 1069.699 km 1069.757 km
    Perigee 1067.325 km 1067.201 km
    Orbit Epoch 2026-09-04T20:34:26+0000 2026-09-04T20:33:22+0000

    QIANFAN-99 & QIANFAN-189 Collision Probability (Pc) Trend

    QIANFAN-99 & QIANFAN-189 Collision Probability (Pc) TrendNot Available

    QIANFAN-99 & QIANFAN-189 Miss Distance (Miss Distance) Trend

    QIANFAN-99 & QIANFAN-189 Miss Distance (Miss Distance) TrendNot Available

    QIANFAN-99Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-189Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QIANFAN-99Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-189Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QIANFAN-99

    No nearby objects data