Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.517237E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T11:48:13+0800
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    1 Object 1

    AOE ID 52581
    NORAD ID 52581
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53733
    NORAD ID 53733
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3915 STARLINK-4574
    Time of Closest Approach 2026-10-31T22:10:34+0000
    Collision Probability (Pc) 6.517237E-6
    Conjunction Distance (km) 1.421 km
    Relative Speed (km/s) 10.925 km/s
    Conjunction Risk Parameters R (Radial): -1.137 | I (In-track): 0.592 | C (Cross-track): -0.612
    Collision Risk Index (CRI) 0.51
    X Position (km) 727.24 726.516
    Position Y (km) -5820.602 -5821.673
    Position Z (km) 3514.413 3515.002
    Velocity X (km/s) 5.645 4.948
    Velocity Y (km/s) -2.13 3.454
    Velocity Z (km/s) -4.682 4.682

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3915 STARLINK-4574
    Semimajor Axis (a) 6840.842 km 6843.413 km
    Eccentricity (e) 0.000171 0.000100
    Inclination (i) 53.1606° 53.1594°
    RAAN 129.1081° 258.6733°
    Perigee Argument 287.2891° 90.5513°
    Mean Anomaly (M) 72.7925° 269.5604°
    Apogee 463.874 km 465.959 km
    Perigee 461.536 km 464.593 km
    Orbit Epoch 2026-10-30T18:59:37+0000 2026-10-30T03:46:17+0000

    STARLINK-3915 & STARLINK-4574 Collision Probability (Pc) Trend

    STARLINK-3915 & STARLINK-4574 Collision Probability (Pc) TrendNot Available

    STARLINK-3915 & STARLINK-4574 Miss Distance (Miss Distance) Trend

    STARLINK-3915 & STARLINK-4574 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3915Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4574Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3915Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4574Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3915

    No nearby objects data