Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.047999E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:25:09+0800
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    1 Object 1

    AOE ID 54059
    NORAD ID 54059
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66878
    NORAD ID 66878
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5173 STARLINK-35866
    Time of Closest Approach 2026-09-12T21:47:35+0000
    Collision Probability (Pc) 5.047999E-5
    Conjunction Distance (km) 0.55 km
    Relative Speed (km/s) 2.117 km/s
    Conjunction Risk Parameters R (Radial): -0.516 | I (In-track): 0.187 | C (Cross-track): -0.028
    Collision Risk Index (CRI) 0.69
    X Position (km) -2826.537 -2826.461
    Position Y (km) 3034.588 3034.229
    Position Z (km) -5447.499 -5447.089
    Velocity X (km/s) -6.099 -4.952
    Velocity Y (km/s) -4.529 -5.762
    Velocity Z (km/s) 0.642 -0.64

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5173 STARLINK-35866
    Semimajor Axis (a) 6840.890 km 6840.826 km
    Eccentricity (e) 0.000107 0.000080
    Inclination (i) 53.1601° 53.1573°
    RAAN 220.5105° 241.9931°
    Perigee Argument 103.6569° 64.6463°
    Mean Anomaly (M) 256.4552° 295.4622°
    Apogee 463.483 km 463.236 km
    Perigee 462.023 km 462.142 km
    Orbit Epoch 2026-09-11T07:04:36+0000 2026-09-10T23:18:53+0000

    STARLINK-5173 & STARLINK-35866 Collision Probability (Pc) Trend

    STARLINK-5173 & STARLINK-35866 Collision Probability (Pc) TrendNot Available

    STARLINK-5173 & STARLINK-35866 Miss Distance (Miss Distance) Trend

    STARLINK-5173 & STARLINK-35866 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5173Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35866Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5173Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35866Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5173

    No nearby objects data