Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.171753E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:22:24+0800
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    1 Object 1

    AOE ID 45098
    NORAD ID 45098
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53529
    NORAD ID 53529
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1184 STARLINK-4478
    Time of Closest Approach 2026-09-12T19:12:23+0000
    Collision Probability (Pc) 6.171753E-5
    Conjunction Distance (km) 0.746 km
    Relative Speed (km/s) 12.109 km/s
    Conjunction Risk Parameters R (Radial): -0.216 | I (In-track): 0.437 | C (Cross-track): 0.565
    Collision Risk Index (CRI) 0.71
    X Position (km) 3508.558 3509.059
    Position Y (km) -5858.106 -5857.555
    Position Z (km) -941.297 -941.273
    Velocity X (km/s) 3.537 4.366
    Velocity Y (km/s) 3.073 1.657
    Velocity Z (km/s) -5.991 6.005

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1184 STARLINK-4478
    Semimajor Axis (a) 6889.603 km 6891.775 km
    Eccentricity (e) 0.000279 0.000122
    Inclination (i) 53.0513° 53.2122°
    RAAN 119.0351° 311.9323°
    Perigee Argument 36.7964° 337.1192°
    Mean Anomaly (M) 323.3221° 22.9749°
    Apogee 513.390 km 514.478 km
    Perigee 509.542 km 512.798 km
    Orbit Epoch 2026-09-11T21:50:05+0000 2026-09-11T16:22:37+0000

    STARLINK-1184 & STARLINK-4478 Collision Probability (Pc) Trend

    STARLINK-1184 & STARLINK-4478 Collision Probability (Pc) TrendNot Available

    STARLINK-1184 & STARLINK-4478 Miss Distance (Miss Distance) Trend

    STARLINK-1184 & STARLINK-4478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1184Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1184Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1184

    No nearby objects data