Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.312117E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:05:16+0800
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    1 Object 1

    AOE ID 52383
    NORAD ID 52383
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53735
    NORAD ID 53735
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3811 STARLINK-4618
    Time of Closest Approach 2026-09-13T01:13:22+0000
    Collision Probability (Pc) 1.312117E-6
    Conjunction Distance (km) 2.416 km
    Relative Speed (km/s) 8.14 km/s
    Conjunction Risk Parameters R (Radial): -2.392 | I (In-track): -0.276 | C (Cross-track): 0.182
    Collision Risk Index (CRI) 0.37
    X Position (km) 4847.59 4845.88
    Position Y (km) -301.599 -301.825
    Position Z (km) -4828.332 -4826.64
    Velocity X (km/s) 3.263 -2.462
    Velocity Y (km/s) 6.257 6.614
    Velocity Z (km/s) 2.887 -2.888

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3811 STARLINK-4618
    Semimajor Axis (a) 6843.372 km 6840.879 km
    Eccentricity (e) 0.000114 0.000122
    Inclination (i) 53.1609° 53.1603°
    RAAN 50.6568° 137.5940°
    Perigee Argument 78.7130° 85.3837°
    Mean Anomaly (M) 281.4000° 274.7305°
    Apogee 466.016 km 463.576 km
    Perigee 464.454 km 461.908 km
    Orbit Epoch 2026-09-11T18:12:33+0000 2026-09-11T01:16:33+0000

    STARLINK-3811 & STARLINK-4618 Collision Probability (Pc) Trend

    STARLINK-3811 & STARLINK-4618 Collision Probability (Pc) TrendNot Available

    STARLINK-3811 & STARLINK-4618 Miss Distance (Miss Distance) Trend

    STARLINK-3811 & STARLINK-4618 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3811Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4618Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3811Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4618Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3811

    No nearby objects data