Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.533496E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:22:52+0800
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    1 Object 1

    AOE ID 1420
    NORAD ID 1420
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68636
    NORAD ID 68636
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 8480 (TRANSIT 5B-6) QIANFAN-109
    Time of Closest Approach 2026-09-12T17:46:19+0000
    Collision Probability (Pc) 6.533496E-7
    Conjunction Distance (km) 2.789 km
    Relative Speed (km/s) 3.408 km/s
    Conjunction Risk Parameters R (Radial): -0.697 | I (In-track): -2.622 | C (Cross-track): 0.64
    Collision Risk Index (CRI) 0.31
    X Position (km) 51.382 50.077
    Position Y (km) -254.347 -251.96
    Position Z (km) -7452.011 -7451.403
    Velocity X (km/s) 1.901 4.894
    Velocity Y (km/s) -7.044 -5.414
    Velocity Z (km/s) 0.2 0.216

    Orbital Parameters 国际轨道数据源

    Parameter OPS 8480 (TRANSIT 5B-6) QIANFAN-109
    Semimajor Axis (a) 7443.339 km 7446.646 km
    Eccentricity (e) 0.007345 0.000232
    Inclination (i) 89.8720° 88.9881°
    RAAN 285.1233° 312.2379°
    Perigee Argument 180.4534° 86.4626°
    Mean Anomaly (M) 208.3960° 273.6790°
    Apogee 1119.871 km 1070.235 km
    Perigee 1010.533 km 1066.783 km
    Orbit Epoch 2026-09-11T01:29:51+0000 2026-09-11T04:52:53+0000

    OPS 8480 (TRANSIT 5B-6) & QIANFAN-109 Collision Probability (Pc) Trend

    OPS 8480 (TRANSIT 5B-6) & QIANFAN-109 Collision Probability (Pc) TrendNot Available

    OPS 8480 (TRANSIT 5B-6) & QIANFAN-109 Miss Distance (Miss Distance) Trend

    OPS 8480 (TRANSIT 5B-6) & QIANFAN-109 Miss Distance (Miss Distance) TrendNot Available

    OPS 8480 (TRANSIT 5B-6)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 8480 (TRANSIT 5B-6)Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 8480 (TRANSIT 5B-6)

    No nearby objects data