Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.977835E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:45:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 57255
    NORAD ID 57255
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-5481
    Time of Closest Approach 2026-09-13T03:12:43+0000
    Collision Probability (Pc) 2.977835E-5
    Conjunction Distance (km) 0.939 km
    Relative Speed (km/s) 12.407 km/s
    Conjunction Risk Parameters R (Radial): -0.828 | I (In-track): -0.259 | C (Cross-track): 0.356
    Collision Risk Index (CRI) 0.64
    X Position (km) 2315.924 2315.274
    Position Y (km) -4533.722 -4533.126
    Position Z (km) -4604.867 -4604.545
    Velocity X (km/s) 1.161 6.311
    Velocity Y (km/s) -5.066 4.165
    Velocity Z (km/s) 5.569 -0.927

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-5481
    Semimajor Axis (a) 6861.927 km 6861.200 km
    Eccentricity (e) 0.000811 0.000126
    Inclination (i) 97.1079° 43.0028°
    RAAN 288.5253° 60.0786°
    Perigee Argument 280.2381° 265.9163°
    Mean Anomaly (M) 79.7944° 94.1545°
    Apogee 489.357 km 483.926 km
    Perigee 478.223 km 482.200 km
    Orbit Epoch 2026-09-10T23:30:34+0000 2026-09-09T18:02:50+0000

    YAOGAN 12 & STARLINK-5481 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-5481 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-5481 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-5481 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5481Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5481Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data