Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.006137E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:22:54+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 59407
    NORAD ID 59407
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 28E DEB STARLINK-31387
    Time of Closest Approach 2026-10-21T06:05:20+0000
    Collision Probability (Pc) 1.006137E-6
    Conjunction Distance (km) 2.722 km
    Relative Speed (km/s) 7.164 km/s
    Conjunction Risk Parameters R (Radial): -1.88 | I (In-track): 1.734 | C (Cross-track): -0.928
    Collision Risk Index (CRI) 0.35
    X Position (km) 1129.72 1131.112
    Position Y (km) 5890.585 5892.846
    Position Z (km) -3332.385 -3331.788
    Velocity X (km/s) -0.781 -6.642
    Velocity Y (km/s) -3.598 -0.788
    Velocity Z (km/s) -6.661 -3.652

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 28E DEB STARLINK-31387
    Semimajor Axis (a) 6839.615 km 6861.257 km
    Eccentricity (e) 0.002911 0.000101
    Inclination (i) 89.4135° 43.0017°
    RAAN 258.8879° 228.3354°
    Perigee Argument 69.4530° 262.8432°
    Mean Anomaly (M) 290.9843° 97.2305°
    Apogee 481.389 km 483.811 km
    Perigee 441.567 km 482.429 km
    Orbit Epoch 2026-10-20T08:50:28+0000 2026-10-20T05:34:03+0000

    ATLAS 28E DEB & STARLINK-31387 Collision Probability (Pc) Trend

    ATLAS 28E DEB & STARLINK-31387 Collision Probability (Pc) TrendNot Available

    ATLAS 28E DEB & STARLINK-31387 Miss Distance (Miss Distance) Trend

    ATLAS 28E DEB & STARLINK-31387 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 28E DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31387Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 28E DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31387Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 28E DEB

    No nearby objects data