Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.568938E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T06:42:47+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 55998
    NORAD ID 55998
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-5902
    Time of Closest Approach 2026-09-08T22:45:19+0000
    Collision Probability (Pc) 1.568938E-6
    Conjunction Distance (km) 2.642 km
    Relative Speed (km/s) 14.334 km/s
    Conjunction Risk Parameters R (Radial): -2.238 | I (In-track): -0.483 | C (Cross-track): 1.316
    Collision Risk Index (CRI) 0.39
    X Position (km) 1989.905 1988.057
    Position Y (km) -6563.227 -6561.424
    Position Z (km) -266.485 -267.04
    Velocity X (km/s) -0.818 5.282
    Velocity Y (km/s) -0.553 1.807
    Velocity Z (km/s) 7.559 -5.194

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-5902
    Semimajor Axis (a) 6861.984 km 6861.194 km
    Eccentricity (e) 0.000806 0.000069
    Inclination (i) 97.1092° 43.0022°
    RAAN 286.2771° 109.8208°
    Perigee Argument 289.4285° 259.8602°
    Mean Anomaly (M) 70.6083° 100.2172°
    Apogee 489.381 km 483.532 km
    Perigee 478.313 km 482.582 km
    Orbit Epoch 2026-09-08T14:54:11+0000 2026-09-07T23:59:15+0000

    YAOGAN 12 & STARLINK-5902 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-5902 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-5902 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-5902 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5902Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5902Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data