Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.607176E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:54:01+0800
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    1 Object 1

    AOE ID 55374
    NORAD ID 55374
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66489
    NORAD ID 66489
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5578 STARLINK-35696
    Time of Closest Approach 2026-09-12T18:31:30+0000
    Collision Probability (Pc) 7.607176E-7
    Conjunction Distance (km) 2.302 km
    Relative Speed (km/s) 2.59 km/s
    Conjunction Risk Parameters R (Radial): -0.55 | I (In-track): 2.203 | C (Cross-track): -0.376
    Collision Risk Index (CRI) 0.33
    X Position (km) -25.842 -23.605
    Position Y (km) -5094.568 -5094.173
    Position Z (km) -4598.703 -4598.332
    Velocity X (km/s) 7.503 7.512
    Velocity Y (km/s) -0.905 0.832
    Velocity Z (km/s) 0.961 -0.96

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5578 STARLINK-35696
    Semimajor Axis (a) 6861.193 km 6861.162 km
    Eccentricity (e) 0.000197 0.000239
    Inclination (i) 43.0048° 43.0026°
    RAAN 353.7043° 30.6590°
    Perigee Argument 274.7023° 266.3664°
    Mean Anomaly (M) 85.3604° 93.6914°
    Apogee 484.407 km 484.669 km
    Perigee 481.705 km 481.381 km
    Orbit Epoch 2026-09-11T06:46:41+0000 2026-09-09T20:21:02+0000

    STARLINK-5578 & STARLINK-35696 Collision Probability (Pc) Trend

    STARLINK-5578 & STARLINK-35696 Collision Probability (Pc) TrendNot Available

    STARLINK-5578 & STARLINK-35696 Miss Distance (Miss Distance) Trend

    STARLINK-5578 & STARLINK-35696 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5578Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35696Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5578Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35696Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5578

    No nearby objects data