Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.670851E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:23:57+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 57777
    NORAD ID 57777
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-30355
    Time of Closest Approach 2026-09-16T12:33:46+0000
    Collision Probability (Pc) 7.670851E-4
    Conjunction Distance (km) 0.19 km
    Relative Speed (km/s) 11.465 km/s
    Conjunction Risk Parameters R (Radial): -0.027 | I (In-track): -0.128 | C (Cross-track): -0.137
    Collision Risk Index (CRI) 0.93
    X Position (km) -1480.859 -1480.774
    Position Y (km) 4801.451 4801.563
    Position Z (km) -4676.06 -4675.931
    Velocity X (km/s) 2.738 -7.218
    Velocity Y (km/s) -4.509 -2.427
    Velocity Z (km/s) -5.496 -0.206

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-30355
    Semimajor Axis (a) 6861.805 km 6861.179 km
    Eccentricity (e) 0.000819 0.000107
    Inclination (i) 97.1070° 43.0030°
    RAAN 292.9583° 205.6949°
    Perigee Argument 260.6606° 263.8485°
    Mean Anomaly (M) 99.3708° 96.2244°
    Apogee 489.285 km 483.779 km
    Perigee 478.051 km 482.305 km
    Orbit Epoch 2026-09-15T15:08:51+0000 2026-09-15T13:25:36+0000

    YAOGAN 12 & STARLINK-30355 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-30355 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-30355 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-30355 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30355Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30355Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data