Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.373488E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:38:07+0800
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    1 Object 1

    AOE ID 54172
    NORAD ID 54172
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68399
    NORAD ID 68399
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5117 STARLINK-37187
    Time of Closest Approach 2026-09-11T16:33:13+0000
    Collision Probability (Pc) 1.373488E-6
    Conjunction Distance (km) 2.92 km
    Relative Speed (km/s) 14.588 km/s
    Conjunction Risk Parameters R (Radial): 2.868 | I (In-track): -0.172 | C (Cross-track): -0.521
    Collision Risk Index (CRI) 0.38
    X Position (km) 5136.763 5139.27
    Position Y (km) 3198.165 3199.137
    Position Z (km) 3188.589 3189.725
    Velocity X (km/s) -0.506 -2.421
    Velocity Y (km/s) 5.781 -2.795
    Velocity Z (km/s) -4.965 6.679

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5117 STARLINK-37187
    Semimajor Axis (a) 6843.402 km 6843.682 km
    Eccentricity (e) 0.000124 0.000196
    Inclination (i) 53.1587° 97.2856°
    RAAN 238.3431° 34.7329°
    Perigee Argument 80.7756° 123.1445°
    Mean Anomaly (M) 279.3387° 236.9986°
    Apogee 466.114 km 466.888 km
    Perigee 464.416 km 464.202 km
    Orbit Epoch 2026-09-11T00:17:10+0000 2026-09-10T15:22:27+0000

    STARLINK-5117 & STARLINK-37187 Collision Probability (Pc) Trend

    STARLINK-5117 & STARLINK-37187 Collision Probability (Pc) TrendNot Available

    STARLINK-5117 & STARLINK-37187 Miss Distance (Miss Distance) Trend

    STARLINK-5117 & STARLINK-37187 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5117Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37187Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5117Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37187Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5117

    No nearby objects data