Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.331768E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T11:27:27+0800
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    1 Object 1

    AOE ID 57728
    NORAD ID 57728
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    Name YAM-9
    AOE ID 66694
    NORAD ID 66694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-39 01B YAM-9
    Time of Closest Approach 2026-10-17T06:34:27+0000
    Collision Probability (Pc) 3.331768E-6
    Conjunction Distance (km) 1.81 km
    Relative Speed (km/s) 12.326 km/s
    Conjunction Risk Parameters R (Radial): 1.469 | I (In-track): -0.61 | C (Cross-track): -0.863
    Collision Risk Index (CRI) 0.45
    X Position (km) 5711.49 5712.353
    Position Y (km) 492.727 492.054
    Position Z (km) -3840.55 -3841.991
    Velocity X (km/s) -1.337 4.265
    Velocity Y (km/s) 7.405 -0.816
    Velocity Z (km/s) -1.043 6.233

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-39 01B YAM-9
    Semimajor Axis (a) 6892.639 km 6896.225 km
    Eccentricity (e) 0.000848 0.000704
    Inclination (i) 34.9919° 97.4096°
    RAAN 130.3995° 356.8986°
    Perigee Argument 64.4174° 254.5630°
    Mean Anomaly (M) 295.7415° 105.4826°
    Apogee 520.350 km 522.940 km
    Perigee 508.654 km 513.236 km
    Orbit Epoch 2026-10-14T06:22:55+0000 2026-10-14T04:16:10+0000

    YAOGAN-39 01B & YAM-9 Collision Probability (Pc) Trend

    YAOGAN-39 01B & YAM-9 Collision Probability (Pc) TrendNot Available

    YAOGAN-39 01B & YAM-9 Miss Distance (Miss Distance) Trend

    YAOGAN-39 01B & YAM-9 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-39 01BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAM-9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-39 01BCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAM-9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-39 01B

    No nearby objects data