Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.981058E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:22:44+0800
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    1 Object 1

    AOE ID 48333
    NORAD ID 48333
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53654
    NORAD ID 53654
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2518 STARLINK-4420
    Time of Closest Approach 2026-10-18T18:34:22+0000
    Collision Probability (Pc) 8.981058E-7
    Conjunction Distance (km) 2.837 km
    Relative Speed (km/s) 6.455 km/s
    Conjunction Risk Parameters R (Radial): -2.558 | I (In-track): 1.112 | C (Cross-track): -0.514
    Collision Risk Index (CRI) 0.34
    X Position (km) 5922.393 5919.78
    Position Y (km) -1644.508 -1643.409
    Position Z (km) -3030.231 -3030.149
    Velocity X (km/s) -1.05 -3.501
    Velocity Y (km/s) 5.581 -0.147
    Velocity Z (km/s) -5.089 -6.773

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2518 STARLINK-4420
    Semimajor Axis (a) 6848.839 km 6843.705 km
    Eccentricity (e) 0.000097 0.000213
    Inclination (i) 53.1582° 97.2852°
    RAAN 146.3110° 167.4222°
    Perigee Argument 73.0326° 86.1702°
    Mean Anomaly (M) 287.0782° 273.9784°
    Apogee 471.370 km 467.025 km
    Perigee 470.034 km 464.111 km
    Orbit Epoch 2026-10-18T00:25:08+0000 2026-10-18T02:00:52+0000

    STARLINK-2518 & STARLINK-4420 Collision Probability (Pc) Trend

    STARLINK-2518 & STARLINK-4420 Collision Probability (Pc) TrendNot Available

    STARLINK-2518 & STARLINK-4420 Miss Distance (Miss Distance) Trend

    STARLINK-2518 & STARLINK-4420 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2518Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2518Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2518

    No nearby objects data