Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.292639E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:44:53+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64189
    NORAD ID 64189
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-33872
    Time of Closest Approach 2026-09-04T17:56:28+0000
    Collision Probability (Pc) 1.292639E-6
    Conjunction Distance (km) 2.783 km
    Relative Speed (km/s) 11.743 km/s
    Conjunction Risk Parameters R (Radial): 2.695 | I (In-track): 0.447 | C (Cross-track): 0.528
    Collision Risk Index (CRI) 0.37
    X Position (km) -6349.289 -6346.687
    Position Y (km) 979.126 979.423
    Position Z (km) -2367.575 -2366.636
    Velocity X (km/s) -2.745 1.259
    Velocity Y (km/s) -4.509 -5.127
    Velocity Z (km/s) 5.51 -5.511

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-33872
    Semimajor Axis (a) 6843.355 km 6840.841 km
    Eccentricity (e) 0.000117 0.000095
    Inclination (i) 53.1613° 53.1607°
    RAAN 199.4240° 345.1092°
    Perigee Argument 76.2176° 75.1146°
    Mean Anomaly (M) 283.8956° 284.9962°
    Apogee 466.019 km 463.357 km
    Perigee 464.417 km 462.051 km
    Orbit Epoch 2026-09-02T03:29:17+0000 2026-09-02T15:01:37+0000

    STARLINK-4678 & STARLINK-33872 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-33872 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-33872 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-33872 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33872Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33872Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data