Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.094036E-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 57876
    NORAD ID 57876
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-30429
    Time of Closest Approach 2026-09-17T21:26:48+0000
    Collision Probability (Pc) 1.094036E-6
    Conjunction Distance (km) 2.569 km
    Relative Speed (km/s) 7.125 km/s
    Conjunction Risk Parameters R (Radial): -1.149 | I (In-track): -2.033 | C (Cross-track): -1.067
    Collision Risk Index (CRI) 0.36
    X Position (km) -2679.626 -2678.626
    Position Y (km) 6146.961 6146.672
    Position Z (km) -1463.601 -1461.253
    Velocity X (km/s) 1.528 -4.801
    Velocity Y (km/s) -1.092 -3.263
    Velocity Z (km/s) -7.388 -4.942

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-30429
    Semimajor Axis (a) 6861.805 km 6861.192 km
    Eccentricity (e) 0.000819 0.000149
    Inclination (i) 97.1070° 43.0024°
    RAAN 292.9583° 295.3723°
    Perigee Argument 260.6606° 267.6027°
    Mean Anomaly (M) 99.3708° 92.4654°
    Apogee 489.285 km 484.076 km
    Perigee 478.051 km 482.034 km
    Orbit Epoch 2026-09-15T15:08:51+0000 2026-09-15T04:14:36+0000

    YAOGAN 12 & STARLINK-30429 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-30429 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-30429 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-30429 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30429Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30429Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data