Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.800362E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T01:36:50+0800
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    1 Object 1

    Name USA 17
    AOE ID 16625
    NORAD ID 16625
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55346
    NORAD ID 55346
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 17 STARLINK-5631
    Time of Closest Approach 2026-10-12T23:17:50+0000
    Collision Probability (Pc) 6.800362E-6
    Conjunction Distance (km) 1.11 km
    Relative Speed (km/s) 3.376 km/s
    Conjunction Risk Parameters R (Radial): 0.365 | I (In-track): -1.012 | C (Cross-track): -0.271
    Collision Risk Index (CRI) 0.52
    X Position (km) 3274.357 3273.721
    Position Y (km) -5143.101 -5143.491
    Position Z (km) 3137.055 3137.877
    Velocity X (km/s) 5.172 6.361
    Velocity Y (km/s) -0.716 1.69
    Velocity Z (km/s) -5.904 -3.856

    Orbital Parameters 国际轨道数据源

    Parameter USA 17 STARLINK-5631
    Semimajor Axis (a) 7358.715 km 6861.180 km
    Eccentricity (e) 0.077662 0.000077
    Inclination (i) 63.3006° 43.0031°
    RAAN 140.1603° 161.3096°
    Perigee Argument 117.8116° 242.2040°
    Mean Anomaly (M) 250.3834° 117.8734°
    Apogee 1552.072 km 483.570 km
    Perigee 409.084 km 482.516 km
    Orbit Epoch 2026-10-11T23:57:00+0000 2026-10-12T00:43:39+0000

    USA 17 & STARLINK-5631 Collision Probability (Pc) Trend

    USA 17 & STARLINK-5631 Collision Probability (Pc) TrendNot Available

    USA 17 & STARLINK-5631 Miss Distance (Miss Distance) Trend

    USA 17 & STARLINK-5631 Miss Distance (Miss Distance) TrendNot Available

    USA 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5631Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5631Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 17

    No nearby objects data