Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.842708E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T09:17:55+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 2026-10-21T02:48:03+0000
    Collision Probability (Pc) 2.842708E-6
    Conjunction Distance (km) 1.703 km
    Relative Speed (km/s) 7.363 km/s
    Conjunction Risk Parameters R (Radial): -0.281 | I (In-track): 1.473 | C (Cross-track): -0.808
    Collision Risk Index (CRI) 0.44
    X Position (km) 3578.272 3579.212
    Position Y (km) -3028.825 -3027.419
    Position Z (km) -4989.054 -4988.847
    Velocity X (km/s) 6.361 2.266
    Velocity Y (km/s) 3.365 6.831
    Velocity Z (km/s) 2.521 -2.521

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4787 STARLINK-37407
    Semimajor Axis (a) 6840.888 km 6840.853 km
    Eccentricity (e) 0.000088 0.000113
    Inclination (i) 53.1623° 53.1597°
    RAAN 26.0178° 97.7169°
    Perigee Argument 75.7174° 80.1580°
    Mean Anomaly (M) 284.3926° 279.9551°
    Apogee 463.357 km 463.493 km
    Perigee 462.145 km 461.939 km
    Orbit Epoch 2026-10-18T06:18:09+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