Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.692607E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:37:19+0800
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    1 Object 1

    AOE ID 53904
    NORAD ID 53904
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69534
    NORAD ID 69534
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4787 STARLINK-37407
    Time of Closest Approach 2026-10-21T04:21:50+0000
    Collision Probability (Pc) 8.692607E-6
    Conjunction Distance (km) 1.205 km
    Relative Speed (km/s) 7.363 km/s
    Conjunction Risk Parameters R (Radial): 0.421 | I (In-track): -0.988 | C (Cross-track): -0.544
    Collision Risk Index (CRI) 0.54
    X Position (km) 3562.426 3562.94
    Position Y (km) -3047.795 -3046.75
    Position Z (km) -4989.013 -4988.708
    Velocity X (km/s) 6.379 2.303
    Velocity Y (km/s) 3.331 6.818
    Velocity Z (km/s) 2.522 -2.521

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4787 STARLINK-37407
    Semimajor Axis (a) 6840.880 km 6840.853 km
    Eccentricity (e) 0.000109 0.000113
    Inclination (i) 53.1616° 53.1597°
    RAAN 22.6680° 97.7169°
    Perigee Argument 80.2235° 80.1580°
    Mean Anomaly (M) 279.8891° 279.9551°
    Apogee 463.491 km 463.493 km
    Perigee 461.995 km 461.939 km
    Orbit Epoch 2026-10-18T23:29:54+0000 2026-10-18T19:01:26+0000

    STARLINK-4787 & STARLINK-37407 Collision Probability (Pc) Trend

    STARLINK-4787 & STARLINK-37407 Collision Probability (Pc) TrendNot Available

    STARLINK-4787 & STARLINK-37407 Miss Distance (Miss Distance) Trend

    STARLINK-4787 & STARLINK-37407 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4787Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37407Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4787Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37407Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4787

    No nearby objects data