Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.008691E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:23:54+0800
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    1 Object 1

    AOE ID 37875
    NORAD ID 37875
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58135
    NORAD ID 58135
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-30772
    Time of Closest Approach 2026-09-17T15:09:50+0000
    Collision Probability (Pc) 5.008691E-6
    Conjunction Distance (km) 1.63 km
    Relative Speed (km/s) 14.257 km/s
    Conjunction Risk Parameters R (Radial): -1.568 | I (In-track): 0.161 | C (Cross-track): 0.412
    Collision Risk Index (CRI) 0.49
    X Position (km) -2615.656 -2615.395
    Position Y (km) 6130.367 6128.767
    Position Z (km) -1638.95 -1638.781
    Velocity X (km/s) 1.601 -5.749
    Velocity Y (km/s) -1.279 -1.153
    Velocity Z (km/s) -7.342 4.873

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-30772
    Semimajor Axis (a) 6861.805 km 6861.124 km
    Eccentricity (e) 0.000819 0.000201
    Inclination (i) 97.1070° 43.0043°
    RAAN 292.9583° 142.7962°
    Perigee Argument 260.6606° 254.7200°
    Mean Anomaly (M) 99.3708° 105.3430°
    Apogee 489.285 km 484.367 km
    Perigee 478.051 km 481.607 km
    Orbit Epoch 2026-09-15T15:08:51+0000 2026-09-15T02:03:09+0000

    YAOGAN 12 & STARLINK-30772 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-30772 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-30772 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-30772 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30772Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30772Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data