Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.179976E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:01:00+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 54806
    NORAD ID 54806
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 28E DEB STARLINK-5412
    Time of Closest Approach 2026-09-04T05:54:40+0000
    Collision Probability (Pc) 2.179976E-6
    Conjunction Distance (km) 1.788 km
    Relative Speed (km/s) 6.006 km/s
    Conjunction Risk Parameters R (Radial): 0.601 | I (In-track): -1.549 | C (Cross-track): 0.658
    Collision Risk Index (CRI) 0.42
    X Position (km) -765.028 -765.644
    Position Y (km) -5554.139 -5553.658
    Position Z (km) -3931.139 -3932.746
    Velocity X (km/s) -0.504 5.127
    Velocity Y (km/s) -4.362 -3.715
    Velocity Z (km/s) 6.236 4.253

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 28E DEB STARLINK-5412
    Semimajor Axis (a) 6843.037 km 6843.380 km
    Eccentricity (e) 0.002310 0.000113
    Inclination (i) 89.4110° 53.1596°
    RAAN 262.6693° 299.0168°
    Perigee Argument 246.9373° 84.7521°
    Mean Anomaly (M) 112.9445° 275.3611°
    Apogee 480.705 km 466.020 km
    Perigee 449.095 km 464.466 km
    Orbit Epoch 2026-09-03T00:18:37+0000 2026-09-03T03:31:14+0000

    ATLAS 28E DEB & STARLINK-5412 Collision Probability (Pc) Trend

    ATLAS 28E DEB & STARLINK-5412 Collision Probability (Pc) TrendNot Available

    ATLAS 28E DEB & STARLINK-5412 Miss Distance (Miss Distance) Trend

    ATLAS 28E DEB & STARLINK-5412 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 28E DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5412Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 28E DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5412Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 28E DEB

    No nearby objects data