Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.788975E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:37:41+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 63378
    NORAD ID 63378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4558 STARLINK-33640
    Time of Closest Approach 2026-10-29T18:32:13+0000
    Collision Probability (Pc) 8.788975E-7
    Conjunction Distance (km) 2.963 km
    Relative Speed (km/s) 6.824 km/s
    Conjunction Risk Parameters R (Radial): -0.574 | I (In-track): -2.599 | C (Cross-track): -1.3
    Collision Risk Index (CRI) 0.34
    X Position (km) 4456.357 4455.284
    Position Y (km) -1103.087 -1105.816
    Position Z (km) -5078.943 -5078.518
    Velocity X (km/s) -0.816 4.098
    Velocity Y (km/s) 7.228 6.01
    Velocity Z (km/s) -2.287 2.287

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4558 STARLINK-33640
    Semimajor Axis (a) 6840.877 km 6840.836 km
    Eccentricity (e) 0.000110 0.000085
    Inclination (i) 53.1597° 53.1607°
    RAAN 118.7945° 52.0919°
    Perigee Argument 76.9691° 105.1079°
    Mean Anomaly (M) 283.1435° 255.0018°
    Apogee 463.494 km 463.282 km
    Perigee 461.986 km 462.116 km
    Orbit Epoch 2026-10-27T21:41:22+0000 2026-10-27T15:14:51+0000

    STARLINK-4558 & STARLINK-33640 Collision Probability (Pc) Trend

    STARLINK-4558 & STARLINK-33640 Collision Probability (Pc) TrendNot Available

    STARLINK-4558 & STARLINK-33640 Miss Distance (Miss Distance) Trend

    STARLINK-4558 & STARLINK-33640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4558Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4558Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4558

    No nearby objects data