Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.274837E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:17:46+0800
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    1 Object 1

    AOE ID 53426
    NORAD ID 53426
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54790
    NORAD ID 54790
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4558 STARLINK-5445
    Time of Closest Approach 2026-09-04T02:48:49+0000
    Collision Probability (Pc) 9.274837E-7
    Conjunction Distance (km) 2.933 km
    Relative Speed (km/s) 7.361 km/s
    Conjunction Risk Parameters R (Radial): -2.922 | I (In-track): 0.211 | C (Cross-track): 0.106
    Collision Risk Index (CRI) 0.34
    X Position (km) 2102.107 2103.214
    Position Y (km) 4175.583 4177.258
    Position Z (km) 4980.614 4982.751
    Velocity X (km/s) -7.189 -4.771
    Velocity Y (km/s) 0.611 5.41
    Velocity Z (km/s) 2.515 -2.515

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4558 STARLINK-5445
    Semimajor Axis (a) 6837.975 km 6840.830 km
    Eccentricity (e) 0.000127 0.000112
    Inclination (i) 53.1622° 53.1604°
    RAAN 21.3026° 304.6051°
    Perigee Argument 90.7530° 92.0012°
    Mean Anomaly (M) 269.3619° 268.1119°
    Apogee 460.706 km 463.462 km
    Perigee 458.970 km 461.924 km
    Orbit Epoch 2026-09-01T18:17:17+0000 2026-09-02T08:06:38+0000

    STARLINK-4558 & STARLINK-5445 Collision Probability (Pc) Trend

    STARLINK-4558 & STARLINK-5445 Collision Probability (Pc) TrendNot Available

    STARLINK-4558 & STARLINK-5445 Miss Distance (Miss Distance) Trend

    STARLINK-4558 & STARLINK-5445 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4558Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5445Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4558Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5445Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4558

    No nearby objects data