Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.694464E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:49:27+0800
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    1 Object 1

    AOE ID 53169
    NORAD ID 53169
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69429
    NORAD ID 69429
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4117 STARLINK-37857
    Time of Closest Approach 2026-09-13T16:16:23+0000
    Collision Probability (Pc) 1.694464E-6
    Conjunction Distance (km) 2.389 km
    Relative Speed (km/s) 12.098 km/s
    Conjunction Risk Parameters R (Radial): -2.019 | I (In-track): -0.767 | C (Cross-track): 1.02
    Collision Risk Index (CRI) 0.4
    X Position (km) 1288.966 1288.055
    Position Y (km) -3909.992 -3909.839
    Position Z (km) -5480.267 -5478.064
    Velocity X (km/s) 7.325 -3.389
    Velocity Y (km/s) 2.086 5.15
    Velocity Z (km/s) 0.235 -4.476

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4117 STARLINK-37857
    Semimajor Axis (a) 6848.886 km 6843.736 km
    Eccentricity (e) 0.000102 0.000324
    Inclination (i) 53.1606° 97.2791°
    RAAN 23.9218° 115.9934°
    Perigee Argument 75.9535° 91.6669°
    Mean Anomaly (M) 284.1580° 268.4945°
    Apogee 471.450 km 467.818 km
    Perigee 470.048 km 463.380 km
    Orbit Epoch 2026-09-11T16:06:33+0000 2026-09-11T14:42:32+0000

    STARLINK-4117 & STARLINK-37857 Collision Probability (Pc) Trend

    STARLINK-4117 & STARLINK-37857 Collision Probability (Pc) TrendNot Available

    STARLINK-4117 & STARLINK-37857 Miss Distance (Miss Distance) Trend

    STARLINK-4117 & STARLINK-37857 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4117Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37857Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4117Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37857Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4117

    No nearby objects data