Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.415433E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:22:49+0800
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    1 Object 1

    AOE ID 39450
    NORAD ID 39450
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 52637
    NORAD ID 52637
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-24 DEB STARLINK-3961
    Time of Closest Approach 2026-09-13T08:51:16+0000
    Collision Probability (Pc) 1.415433E-6
    Conjunction Distance (km) 2.8 km
    Relative Speed (km/s) 13.948 km/s
    Conjunction Risk Parameters R (Radial): -0.622 | I (In-track): 1.117 | C (Cross-track): -2.49
    Collision Risk Index (CRI) 0.38
    X Position (km) -1255.76 -1253.191
    Position Y (km) -4645.826 -4644.923
    Position Z (km) 4864.336 4864.986
    Velocity X (km/s) 0.045 5.548
    Velocity Y (km/s) 5.519 -4.436
    Velocity Z (km/s) 5.274 -2.799

    Orbital Parameters 国际轨道数据源

    Parameter SL-24 DEB STARLINK-3961
    Semimajor Axis (a) 6848.505 km 6848.890 km
    Eccentricity (e) 0.000466 0.000120
    Inclination (i) 97.3957° 53.1594°
    RAAN 260.6499° 133.4167°
    Perigee Argument 357.8402° 88.9862°
    Mean Anomaly (M) 2.2818° 271.1277°
    Apogee 473.563 km 471.577 km
    Perigee 467.173 km 469.929 km
    Orbit Epoch 2026-09-11T14:19:34+0000 2026-09-11T09:21:53+0000

    SL-24 DEB & STARLINK-3961 Collision Probability (Pc) Trend

    SL-24 DEB & STARLINK-3961 Collision Probability (Pc) TrendNot Available

    SL-24 DEB & STARLINK-3961 Miss Distance (Miss Distance) Trend

    SL-24 DEB & STARLINK-3961 Miss Distance (Miss Distance) TrendNot Available

    SL-24 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3961Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-24 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3961Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-24 DEB

    No nearby objects data