Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.739669E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T01:29:24+0800
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    1 Object 1

    AOE ID 54061
    NORAD ID 54061
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58880
    NORAD ID 58880
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5209 STARLINK-31328
    Time of Closest Approach 2026-09-05T23:00:23+0000
    Collision Probability (Pc) 6.739669E-7
    Conjunction Distance (km) 2.352 km
    Relative Speed (km/s) 2.188 km/s
    Conjunction Risk Parameters R (Radial): -0.599 | I (In-track): -2.25 | C (Cross-track): 0.325
    Collision Risk Index (CRI) 0.32
    X Position (km) -1397.375 -1399.639
    Position Y (km) 3907.042 3906.619
    Position Z (km) -5445.23 -5445.705
    Velocity X (km/s) -6.811 -7.396
    Velocity Y (km/s) -3.36 -1.724
    Velocity Z (km/s) -0.664 0.665

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5209 STARLINK-31328
    Semimajor Axis (a) 6840.266 km 6840.885 km
    Eccentricity (e) 0.000109 0.000140
    Inclination (i) 53.1613° 53.1630°
    RAAN 214.8010° 192.6419°
    Perigee Argument 94.8859° 79.3673°
    Mean Anomaly (M) 265.2268° 280.7487°
    Apogee 462.874 km 463.704 km
    Perigee 461.384 km 461.792 km
    Orbit Epoch 2026-09-04T22:24:56+0000 2026-09-05T06:10:29+0000

    STARLINK-5209 & STARLINK-31328 Collision Probability (Pc) Trend

    STARLINK-5209 & STARLINK-31328 Collision Probability (Pc) TrendNot Available

    STARLINK-5209 & STARLINK-31328 Miss Distance (Miss Distance) Trend

    STARLINK-5209 & STARLINK-31328 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5209Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31328Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5209Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31328Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5209

    No nearby objects data