Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.281039E-4
    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 59795
    NORAD ID 59795
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-31916
    Time of Closest Approach 2026-09-16T10:59:12+0000
    Collision Probability (Pc) 3.281039E-4
    Conjunction Distance (km) 0.362 km
    Relative Speed (km/s) 10.766 km/s
    Conjunction Risk Parameters R (Radial): -0.209 | I (In-track): 0.202 | C (Cross-track): 0.216
    Collision Risk Index (CRI) 0.85
    X Position (km) -1512.784 -1512.862
    Position Y (km) 4864.14 4863.788
    Position Z (km) -4600.482 -4600.516
    Velocity X (km/s) 2.708 -6.916
    Velocity Y (km/s) -4.431 -3.05
    Velocity Z (km/s) -5.574 -0.95

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-31916
    Semimajor Axis (a) 6861.805 km 6861.196 km
    Eccentricity (e) 0.000819 0.000131
    Inclination (i) 97.1070° 43.0017°
    RAAN 292.9583° 218.4575°
    Perigee Argument 260.6606° 265.6893°
    Mean Anomaly (M) 99.3708° 94.3808°
    Apogee 489.285 km 483.962 km
    Perigee 478.051 km 482.156 km
    Orbit Epoch 2026-09-15T15:08:51+0000 2026-09-15T05:36:34+0000

    YAOGAN 12 & STARLINK-31916 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-31916 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-31916 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-31916 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31916Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31916Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data