Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.30291E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:15:14+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 59471
    NORAD ID 59471
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 12 STARLINK-31575
    Time of Closest Approach 2026-09-06T07:48:33+0000
    Collision Probability (Pc) 3.30291E-4
    Conjunction Distance (km) 0.391 km
    Relative Speed (km/s) 14.261 km/s
    Conjunction Risk Parameters R (Radial): -0.389 | I (In-track): -0.002 | C (Cross-track): 0.027
    Collision Risk Index (CRI) 0.85
    X Position (km) 1817.69 1817.561
    Position Y (km) -6420.545 -6420.186
    Position Z (km) -1603.382 -1603.297
    Velocity X (km/s) -0.452 5.197
    Velocity Y (km/s) -1.962 2.688
    Velocity Z (km/s) 7.353 -4.887

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 12 STARLINK-31575
    Semimajor Axis (a) 6862.112 km 6861.248 km
    Eccentricity (e) 0.000824 0.000113
    Inclination (i) 97.1087° 43.0037°
    RAAN 281.7185° 105.8475°
    Perigee Argument 309.7597° 264.1193°
    Mean Anomaly (M) 50.2917° 95.9530°
    Apogee 489.627 km 483.889 km
    Perigee 478.323 km 482.333 km
    Orbit Epoch 2026-09-03T20:06:57+0000 2026-09-03T16:10:00+0000

    YAOGAN 12 & STARLINK-31575 Collision Probability (Pc) Trend

    YAOGAN 12 & STARLINK-31575 Collision Probability (Pc) TrendNot Available

    YAOGAN 12 & STARLINK-31575 Miss Distance (Miss Distance) Trend

    YAOGAN 12 & STARLINK-31575 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31575Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31575Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 12

    No nearby objects data