Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.498413E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T02:33:07+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 2026-09-04T12:50:04+0000
    Collision Probability (Pc) 1.498413E-6
    Conjunction Distance (km) 2.527 km
    Relative Speed (km/s) 11.688 km/s
    Conjunction Risk Parameters R (Radial): 1.886 | I (In-track): -1.082 | C (Cross-track): -1.287
    Collision Risk Index (CRI) 0.39
    X Position (km) -934.625 -933.125
    Position Y (km) -4006.611 -4004.706
    Position Z (km) -5482.258 -5481.548
    Velocity X (km/s) 7.465 -0.217
    Velocity Y (km/s) -1.518 6.165
    Velocity Z (km/s) -0.163 -4.471

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1551 STARLINK-37987
    Semimajor Axis (a) 6848.872 km 6843.703 km
    Eccentricity (e) 0.000114 0.000288
    Inclination (i) 53.1601° 97.2847°
    RAAN 3.0162° 84.4737°
    Perigee Argument 75.3650° 88.6805°
    Mean Anomaly (M) 284.7478° 271.4768°
    Apogee 471.518 km 467.540 km
    Perigee 469.952 km 463.592 km
    Orbit Epoch 2026-09-01T14:45:51+0000 2026-09-02T06:34:16+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