Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.525123E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:41:34+0800
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    1 Object 1

    AOE ID 39240
    NORAD ID 39240
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 40768
    NORAD ID 40768
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 17B DELTA 1 DEB
    Time of Closest Approach 2026-09-18T03:35:12+0000
    Collision Probability (Pc) 7.525123E-5
    Conjunction Distance (km) 0.589 km
    Relative Speed (km/s) 5.718 km/s
    Conjunction Risk Parameters R (Radial): -0.498 | I (In-track): 0.284 | C (Cross-track): -0.133
    Collision Risk Index (CRI) 0.73
    X Position (km) 3891.942 3891.547
    Position Y (km) 4975.948 4975.513
    Position Z (km) -4496.09 -4496.053
    Velocity X (km/s) -5.217 -1.112
    Velocity Y (km/s) -0.396 -4.253
    Velocity Z (km/s) -4.697 -5.682

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 17B DELTA 1 DEB
    Semimajor Axis (a) 7467.073 km 7783.520 km
    Eccentricity (e) 0.043432 0.004681
    Inclination (i) 63.3849° 101.4088°
    RAAN 217.6980° 235.3749°
    Perigee Argument 11.8311° 218.8282°
    Mean Anomaly (M) 349.2533° 140.9430°
    Apogee 1413.248 km 1441.820 km
    Perigee 764.624 km 1368.946 km
    Orbit Epoch 2026-09-15T13:50:27+0000 2026-09-13T04:41:51+0000

    YAOGAN 17B & DELTA 1 DEB Collision Probability (Pc) Trend

    YAOGAN 17B & DELTA 1 DEB Collision Probability (Pc) TrendNot Available

    YAOGAN 17B & DELTA 1 DEB Miss Distance (Miss Distance) Trend

    YAOGAN 17B & DELTA 1 DEB Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 17BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 17BCollision Probability Trend

    Object 1 Probability TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 17B

    No nearby objects data