Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.094188E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:47:08+0800
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    1 Object 1

    AOE ID 1392
    NORAD ID 1392
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 49743
    NORAD ID 49743
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 DEB STARLINK-3239
    Time of Closest Approach 2026-09-12T09:41:28+0000
    Collision Probability (Pc) 2.094188E-6
    Conjunction Distance (km) 2.174 km
    Relative Speed (km/s) 12.389 km/s
    Conjunction Risk Parameters R (Radial): 1.654 | I (In-track): -0.826 | C (Cross-track): 1.143
    Collision Risk Index (CRI) 0.41
    X Position (km) 6267.071 6265.014
    Position Y (km) 2636.977 2637.641
    Position Z (km) 836.067 835.834
    Velocity X (km/s) -1.034 -2.48
    Velocity Y (km/s) 4.253 3.956
    Velocity Z (km/s) -6.263 6.037

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 DEB STARLINK-3239
    Semimajor Axis (a) 6866.586 km 6848.877 km
    Eccentricity (e) 0.010786 0.000090
    Inclination (i) 55.8353° 53.1617°
    RAAN 211.1452° 20.5886°
    Perigee Argument 247.5607° 96.4665°
    Mean Anomaly (M) 111.3973° 263.6439°
    Apogee 562.515 km 471.357 km
    Perigee 414.383 km 470.123 km
    Orbit Epoch 2026-09-11T14:03:55+0000 2026-09-11T17:59:35+0000

    SL-8 DEB & STARLINK-3239 Collision Probability (Pc) Trend

    SL-8 DEB & STARLINK-3239 Collision Probability (Pc) TrendNot Available

    SL-8 DEB & STARLINK-3239 Miss Distance (Miss Distance) Trend

    SL-8 DEB & STARLINK-3239 Miss Distance (Miss Distance) TrendNot Available

    SL-8 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3239Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3239Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 DEB

    No nearby objects data