Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.332437E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:54:42+0800
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    1 Object 1

    AOE ID 37223
    NORAD ID 37223
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55919
    NORAD ID 55919
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter RAX (USA 218) STARLINK-5871
    Time of Closest Approach 2026-09-13T13:12:59+0000
    Collision Probability (Pc) 4.332437E-5
    Conjunction Distance (km) 0.499 km
    Relative Speed (km/s) 0.84 km/s
    Conjunction Risk Parameters R (Radial): -0.05 | I (In-track): -0.494 | C (Cross-track): 0.026
    Collision Risk Index (CRI) 0.68
    X Position (km) -1565.492 -1565.949
    Position Y (km) -2614.398 -2614.447
    Position Z (km) 6241.333 6241.142
    Velocity X (km/s) 7.061 7.256
    Velocity Y (km/s) 1.392 0.621
    Velocity Z (km/s) 2.345 2.077

    Orbital Parameters 国际轨道数据源

    Parameter RAX (USA 218) STARLINK-5871
    Semimajor Axis (a) 6942.525 km 6950.172 km
    Eccentricity (e) 0.001505 0.000321
    Inclination (i) 71.9695° 69.9998°
    RAAN 200.4737° 194.7473°
    Perigee Argument 232.2625° 272.4855°
    Mean Anomaly (M) 127.7186° 87.5936°
    Apogee 574.838 km 574.265 km
    Perigee 553.938 km 569.805 km
    Orbit Epoch 2026-09-12T03:18:25+0000 2026-09-12T00:02:25+0000

    RAX (USA 218) & STARLINK-5871 Collision Probability (Pc) Trend

    RAX (USA 218) & STARLINK-5871 Collision Probability (Pc) TrendNot Available

    RAX (USA 218) & STARLINK-5871 Miss Distance (Miss Distance) Trend

    RAX (USA 218) & STARLINK-5871 Miss Distance (Miss Distance) TrendNot Available

    RAX (USA 218)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5871Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    RAX (USA 218)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5871Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RAX (USA 218)

    No nearby objects data