Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.735668E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:33:24+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 53054
    NORAD ID 53054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-24 DEB STARLINK-4339
    Time of Closest Approach 2026-10-21T14:27:02+0000
    Collision Probability (Pc) 1.735668E-6
    Conjunction Distance (km) 2.531 km
    Relative Speed (km/s) 15.06 km/s
    Conjunction Risk Parameters R (Radial): -0.397 | I (In-track): -0.403 | C (Cross-track): -2.466
    Collision Risk Index (CRI) 0.4
    X Position (km) -2361.819 -2359.697
    Position Y (km) 5016.952 5018.313
    Position Z (km) -4020.98 -4021.204
    Velocity X (km/s) 2.977 -0.799
    Velocity Y (km/s) -3.478 4.507
    Velocity Z (km/s) -6.099 6.098

    Orbital Parameters 国际轨道数据源

    Parameter SL-24 DEB STARLINK-4339
    Semimajor Axis (a) 6845.558 km 6843.721 km
    Eccentricity (e) 0.000542 0.000074
    Inclination (i) 97.3960° 97.2879°
    RAAN 300.3143° 109.2219°
    Perigee Argument 166.9657° 256.3434°
    Mean Anomaly (M) 193.1726° 103.7727°
    Apogee 471.129 km 466.088 km
    Perigee 463.713 km 465.080 km
    Orbit Epoch 2026-10-21T07:14:37+0000 2026-10-20T22:56:50+0000

    SL-24 DEB & STARLINK-4339 Collision Probability (Pc) Trend

    SL-24 DEB & STARLINK-4339 Collision Probability (Pc) TrendNot Available

    SL-24 DEB & STARLINK-4339 Miss Distance (Miss Distance) Trend

    SL-24 DEB & STARLINK-4339 Miss Distance (Miss Distance) TrendNot Available

    SL-24 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-24 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-24 DEB

    No nearby objects data