Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.555757E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:49:38+0800
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    1 Object 1

    AOE ID 52559
    NORAD ID 52559
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53389
    NORAD ID 53389
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3953 STARLINK-4523
    Time of Closest Approach 2026-10-19T01:08:35+0000
    Collision Probability (Pc) 1.555757E-6
    Conjunction Distance (km) 1.298 km
    Relative Speed (km/s) 0.456 km/s
    Conjunction Risk Parameters R (Radial): -1.214 | I (In-track): 0.459 | C (Cross-track): 0.01
    Collision Risk Index (CRI) 0.39
    X Position (km) 430.345 430.725
    Position Y (km) -4076.884 -4076.115
    Position Z (km) 5464.214 5463.24
    Velocity X (km/s) 7.614 7.576
    Velocity Y (km/s) 0.622 0.986
    Velocity Z (km/s) -0.134 0.138

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3953 STARLINK-4523
    Semimajor Axis (a) 6839.723 km 6837.878 km
    Eccentricity (e) 0.000275 0.000123
    Inclination (i) 53.1589° 53.1597°
    RAAN 188.2608° 192.5284°
    Perigee Argument 78.6661° 89.9795°
    Mean Anomaly (M) 281.4651° 270.1349°
    Apogee 463.468 km 460.586 km
    Perigee 459.704 km 458.896 km
    Orbit Epoch 2026-10-18T02:51:59+0000 2026-10-18T02:53:15+0000

    STARLINK-3953 & STARLINK-4523 Collision Probability (Pc) Trend

    STARLINK-3953 & STARLINK-4523 Collision Probability (Pc) TrendNot Available

    STARLINK-3953 & STARLINK-4523 Miss Distance (Miss Distance) Trend

    STARLINK-3953 & STARLINK-4523 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3953Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4523Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3953Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4523Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3953

    No nearby objects data