Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.211129E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:02:56+0800
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    1 Object 1

    AOE ID 46075
    NORAD ID 46075
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69749
    NORAD ID 69749
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1551 STARLINK-37987
    Time of Closest Approach 2026-09-04T11:16:07+0000
    Collision Probability (Pc) 1.211129E-6
    Conjunction Distance (km) 2.914 km
    Relative Speed (km/s) 11.664 km/s
    Conjunction Risk Parameters R (Radial): -2.793 | I (In-track): -0.539 | C (Cross-track): 0.63
    Collision Risk Index (CRI) 0.37
    X Position (km) -937.226 -937.462
    Position Y (km) -4006.748 -4005.505
    Position Z (km) -5481.931 -5479.306
    Velocity X (km/s) 7.469 -0.21
    Velocity Y (km/s) -1.495 6.165
    Velocity Z (km/s) -0.185 -4.473

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1551 STARLINK-37987
    Semimajor Axis (a) 6848.831 km 6843.701 km
    Eccentricity (e) 0.000124 0.000174
    Inclination (i) 53.1613° 97.2850°
    RAAN 353.2906° 85.3099°
    Perigee Argument 89.3476° 91.2216°
    Mean Anomaly (M) 270.7668° 268.9226°
    Apogee 471.547 km 466.756 km
    Perigee 469.841 km 464.372 km
    Orbit Epoch 2026-09-03T16:52:35+0000 2026-09-03T02:55:50+0000

    STARLINK-1551 & STARLINK-37987 Collision Probability (Pc) Trend

    STARLINK-1551 & STARLINK-37987 Collision Probability (Pc) TrendNot Available

    STARLINK-1551 & STARLINK-37987 Miss Distance (Miss Distance) Trend

    STARLINK-1551 & STARLINK-37987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1551Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1551Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1551

    No nearby objects data