Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.630309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T18:08:27+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 53674
    NORAD ID 53674
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-24 DEB STARLINK-4620
    Time of Closest Approach 2026-10-28T13:36:23+0000
    Collision Probability (Pc) 5.630309E-6
    Conjunction Distance (km) 1.563 km
    Relative Speed (km/s) 13.926 km/s
    Conjunction Risk Parameters R (Radial): 1.092 | I (In-track): -0.469 | C (Cross-track): 1.015
    Collision Risk Index (CRI) 0.5
    X Position (km) -1861.023 -1861.858
    Position Y (km) 1035.458 1034.642
    Position Z (km) 6494.556 6495.596
    Velocity X (km/s) -4.24 7.303
    Velocity Y (km/s) 5.971 -0.502
    Velocity Z (km/s) -2.165 2.168

    Orbital Parameters 国际轨道数据源

    Parameter SL-24 DEB STARLINK-4620
    Semimajor Axis (a) 6845.084 km 6843.713 km
    Eccentricity (e) 0.000619 0.000134
    Inclination (i) 97.3946° 97.2839°
    RAAN 306.9706° 173.2409°
    Perigee Argument 147.1148° 89.6203°
    Mean Anomaly (M) 213.0480° 270.5193°
    Apogee 471.183 km 466.494 km
    Perigee 462.711 km 464.658 km
    Orbit Epoch 2026-10-27T23:02:38+0000 2026-10-27T21:37:36+0000

    SL-24 DEB & STARLINK-4620 Collision Probability (Pc) Trend

    SL-24 DEB & STARLINK-4620 Collision Probability (Pc) TrendNot Available

    SL-24 DEB & STARLINK-4620 Miss Distance (Miss Distance) Trend

    SL-24 DEB & STARLINK-4620 Miss Distance (Miss Distance) TrendNot Available

    SL-24 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4620Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-24 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4620Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-24 DEB

    No nearby objects data