Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.332817E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:08:56+0800
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    1 Object 1

    AOE ID 20576
    NORAD ID 20576
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 61857
    NORAD ID 61857
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 28E DEB STARLINK-32451
    Time of Closest Approach 2026-09-13T10:52:10+0000
    Collision Probability (Pc) 4.332817E-6
    Conjunction Distance (km) 1.424 km
    Relative Speed (km/s) 6.021 km/s
    Conjunction Risk Parameters R (Radial): 0.594 | I (In-track): 1.19 | C (Cross-track): 0.508
    Collision Risk Index (CRI) 0.48
    X Position (km) -967.163 -967.612
    Position Y (km) -6775.341 -6774.761
    Position Z (km) 478.664 477.444
    Velocity X (km/s) 0.153 5.585
    Velocity Y (km/s) 0.518 -0.428
    Velocity Z (km/s) 7.596 5.176

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 28E DEB STARLINK-32451
    Semimajor Axis (a) 6842.565 km 6861.199 km
    Eccentricity (e) 0.002419 0.000158
    Inclination (i) 89.4095° 43.0065°
    RAAN 262.0335° 270.8832°
    Perigee Argument 212.6778° 275.7908°
    Mean Anomaly (M) 147.2980° 84.2764°
    Apogee 480.981 km 484.144 km
    Perigee 447.875 km 481.980 km
    Orbit Epoch 2026-09-10T23:21:05+0000 2026-09-11T02:21:01+0000

    ATLAS 28E DEB & STARLINK-32451 Collision Probability (Pc) Trend

    ATLAS 28E DEB & STARLINK-32451 Collision Probability (Pc) TrendNot Available

    ATLAS 28E DEB & STARLINK-32451 Miss Distance (Miss Distance) Trend

    ATLAS 28E DEB & STARLINK-32451 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 28E DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32451Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 28E DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32451Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 28E DEB

    No nearby objects data