Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.084066E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:03:08+0800
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    1 Object 1

    AOE ID 48361
    NORAD ID 48361
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56333
    NORAD ID 56333
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2591 STARLINK-5553
    Time of Closest Approach 2026-10-19T16:05:04+0000
    Collision Probability (Pc) 4.084066E-6
    Conjunction Distance (km) 1.689 km
    Relative Speed (km/s) 12.331 km/s
    Conjunction Risk Parameters R (Radial): -1.663 | I (In-track): -0.161 | C (Cross-track): -0.236
    Collision Risk Index (CRI) 0.47
    X Position (km) -1983.458 -1984.193
    Position Y (km) 3611.29 3612.219
    Position Z (km) 5455.391 5456.593
    Velocity X (km/s) -6.379 -1.462
    Velocity Y (km/s) -4.176 5.998
    Velocity Z (km/s) 0.445 -4.491

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2591 STARLINK-5553
    Semimajor Axis (a) 6845.373 km 6843.647 km
    Eccentricity (e) 0.000183 0.000121
    Inclination (i) 53.1600° 97.2833°
    RAAN 37.6114° 288.1080°
    Perigee Argument 70.4779° 89.5617°
    Mean Anomaly (M) 289.6420° 270.5764°
    Apogee 468.490 km 466.336 km
    Perigee 465.982 km 464.684 km
    Orbit Epoch 2026-10-19T06:19:26+0000 2026-10-18T17:36:36+0000

    STARLINK-2591 & STARLINK-5553 Collision Probability (Pc) Trend

    STARLINK-2591 & STARLINK-5553 Collision Probability (Pc) TrendNot Available

    STARLINK-2591 & STARLINK-5553 Miss Distance (Miss Distance) Trend

    STARLINK-2591 & STARLINK-5553 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2591Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2591Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2591

    No nearby objects data