Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.402624E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T01:27:31+0800
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    1 Object 1

    AOE ID 53432
    NORAD ID 53432
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63374
    NORAD ID 63374
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4557 STARLINK-33618
    Time of Closest Approach 2026-09-14T01:50:58+0000
    Collision Probability (Pc) 3.402624E-6
    Conjunction Distance (km) 1.596 km
    Relative Speed (km/s) 7.209 km/s
    Conjunction Risk Parameters R (Radial): -0.286 | I (In-track): -1.382 | C (Cross-track): 0.744
    Collision Risk Index (CRI) 0.46
    X Position (km) 4432.158 4432.443
    Position Y (km) 1401.399 1399.842
    Position Z (km) 5009.328 5009.12
    Velocity X (km/s) -4.552 0.492
    Velocity Y (km/s) 5.625 7.22
    Velocity Z (km/s) 2.448 -2.448

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4557 STARLINK-33618
    Semimajor Axis (a) 6840.855 km 6840.813 km
    Eccentricity (e) 0.000107 0.000119
    Inclination (i) 53.1602° 53.1574°
    RAAN 332.2380° 264.3174°
    Perigee Argument 78.9927° 133.3555°
    Mean Anomaly (M) 281.1196° 226.7547°
    Apogee 463.451 km 463.493 km
    Perigee 461.985 km 461.859 km
    Orbit Epoch 2026-09-12T05:47:26+0000 2026-09-11T07:42:08+0000

    STARLINK-4557 & STARLINK-33618 Collision Probability (Pc) Trend

    STARLINK-4557 & STARLINK-33618 Collision Probability (Pc) TrendNot Available

    STARLINK-4557 & STARLINK-33618 Miss Distance (Miss Distance) Trend

    STARLINK-4557 & STARLINK-33618 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33618Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4557Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33618Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4557

    No nearby objects data