Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.994951E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T10:37:57+0800
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    1 Object 1

    AOE ID 57923
    NORAD ID 57923
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64542
    NORAD ID 64542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30440 USPWSA-DRAGOON
    Time of Closest Approach 2026-10-21T22:43:42+0000
    Collision Probability (Pc) 1.994951E-6
    Conjunction Distance (km) 2.121 km
    Relative Speed (km/s) 10.444 km/s
    Conjunction Risk Parameters R (Radial): 0.754 | I (In-track): -1.45 | C (Cross-track): -1.35
    Collision Risk Index (CRI) 0.41
    X Position (km) -2742.975 -2742.341
    Position Y (km) -4368.519 -4369.54
    Position Z (km) 4515.607 4513.86
    Velocity X (km/s) 5.654 -3.752
    Velocity Y (km/s) -4.941 -3.496
    Velocity Z (km/s) -1.342 -5.646

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30440 USPWSA-DRAGOON
    Semimajor Axis (a) 6861.181 km 6860.083 km
    Eccentricity (e) 0.000133 0.000421
    Inclination (i) 43.0038° 97.4813°
    RAAN 142.6930° 49.6163°
    Perigee Argument 270.2847° 97.1996°
    Mean Anomaly (M) 89.7852° 262.9722°
    Apogee 483.958 km 484.834 km
    Perigee 482.130 km 479.058 km
    Orbit Epoch 2026-10-19T07:30:02+0000 2026-10-20T06:49:57+0000

    STARLINK-30440 & USPWSA-DRAGOON Collision Probability (Pc) Trend

    STARLINK-30440 & USPWSA-DRAGOON Collision Probability (Pc) TrendNot Available

    STARLINK-30440 & USPWSA-DRAGOON Miss Distance (Miss Distance) Trend

    STARLINK-30440 & USPWSA-DRAGOON Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30440Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    USPWSA-DRAGOONMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30440Collision Probability Trend

    Object 1 Probability TrendNot Available

    USPWSA-DRAGOONCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30440

    No nearby objects data