Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.609984E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:23:14+0800
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    1 Object 1

    AOE ID 52119
    NORAD ID 52119
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52685
    NORAD ID 52685
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3558 STARLINK-4029
    Time of Closest Approach 2026-10-21T22:26:43+0000
    Collision Probability (Pc) 9.609984E-7
    Conjunction Distance (km) 2.932 km
    Relative Speed (km/s) 7.842 km/s
    Conjunction Risk Parameters R (Radial): -2.922 | I (In-track): -0.193 | C (Cross-track): -0.113
    Collision Risk Index (CRI) 0.35
    X Position (km) -1587.884 -1587.416
    Position Y (km) -4503.613 -4501.611
    Position Z (km) 4888.523 4886.433
    Velocity X (km/s) 5.25 7.119
    Velocity Y (km/s) -4.828 0.468
    Velocity Z (km/s) -2.736 2.736

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3558 STARLINK-4029
    Semimajor Axis (a) 6840.858 km 6837.864 km
    Eccentricity (e) 0.000137 0.000144
    Inclination (i) 53.1595° 53.1606°
    RAAN 134.5127° 213.3057°
    Perigee Argument 89.8561° 90.8403°
    Mean Anomaly (M) 270.2598° 269.2765°
    Apogee 463.658 km 460.715 km
    Perigee 461.784 km 458.739 km
    Orbit Epoch 2026-10-18T23:35:36+0000 2026-10-19T04:33:26+0000

    STARLINK-3558 & STARLINK-4029 Collision Probability (Pc) Trend

    STARLINK-3558 & STARLINK-4029 Collision Probability (Pc) TrendNot Available

    STARLINK-3558 & STARLINK-4029 Miss Distance (Miss Distance) Trend

    STARLINK-3558 & STARLINK-4029 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3558Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4029Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3558Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4029Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3558

    No nearby objects data