Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.156032E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:45:32+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 57231
    NORAD ID 57231
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-5840
    Time of Closest Approach 2026-09-11T16:38:31+0000
    Collision Probability (Pc) 4.156032E-4
    Conjunction Distance (km) 0.334 km
    Relative Speed (km/s) 13.356 km/s
    Conjunction Risk Parameters R (Radial): -0.167 | I (In-track): 0.141 | C (Cross-track): -0.251
    Collision Risk Index (CRI) 0.87
    X Position (km) 2281.177 2281.373
    Position Y (km) -4978.611 -4978.492
    Position Z (km) -4138.836 -4138.593
    Velocity X (km/s) 0.817 5.586
    Velocity Y (km/s) -4.618 4.576
    Velocity Z (km/s) 6.004 -2.427

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-5840
    Semimajor Axis (a) 6861.927 km 6861.206 km
    Eccentricity (e) 0.000811 0.000063
    Inclination (i) 97.1079° 43.0024°
    RAAN 288.5253° 65.4846°
    Perigee Argument 280.2381° 315.9866°
    Mean Anomaly (M) 79.7944° 44.0935°
    Apogee 489.357 km 483.504 km
    Perigee 478.223 km 482.634 km
    Orbit Epoch 2026-09-10T23:30:34+0000 2026-09-10T19:11:11+0000

    YAOGAN 12 & STARLINK-5840 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-5840 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-5840 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-5840 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5840Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5840Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data