Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.290104E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:49:26+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 53691
    NORAD ID 53691
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4117 STARLINK-4560
    Time of Closest Approach 2026-09-12T23:04:42+0000
    Collision Probability (Pc) 1.290104E-6
    Conjunction Distance (km) 2.891 km
    Relative Speed (km/s) 12.798 km/s
    Conjunction Risk Parameters R (Radial): -2.641 | I (In-track): 0.642 | C (Cross-track): -0.983
    Collision Risk Index (CRI) 0.37
    X Position (km) 2313.189 2312.639
    Position Y (km) -3515.228 -3512.87
    Position Z (km) -5410.583 -5409.004
    Velocity X (km/s) 6.923 -4.55
    Velocity Y (km/s) 3.022 4.049
    Velocity Z (km/s) 0.997 -4.578

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4117 STARLINK-4560
    Semimajor Axis (a) 6848.886 km 6843.700 km
    Eccentricity (e) 0.000102 0.000179
    Inclination (i) 53.1606° 97.2836°
    RAAN 23.9218° 131.8199°
    Perigee Argument 75.9535° 92.3213°
    Mean Anomaly (M) 284.1580° 267.8235°
    Apogee 471.450 km 466.791 km
    Perigee 470.048 km 464.335 km
    Orbit Epoch 2026-09-11T16:06:33+0000 2026-09-11T22:34:30+0000

    STARLINK-4117 & STARLINK-4560 Collision Probability (Pc) Trend

    STARLINK-4117 & STARLINK-4560 Collision Probability (Pc) TrendNot Available

    STARLINK-4117 & STARLINK-4560 Miss Distance (Miss Distance) Trend

    STARLINK-4117 & STARLINK-4560 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4117Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4560Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4117Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4560Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4117

    No nearby objects data