Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.011658E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:03:22+0800
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    1 Object 1

    AOE ID 52564
    NORAD ID 52564
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55410
    NORAD ID 55410
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3959 STARLINK-5633
    Time of Closest Approach 2026-10-20T13:50:31+0000
    Collision Probability (Pc) 9.011658E-6
    Conjunction Distance (km) 1.109 km
    Relative Speed (km/s) 5.121 km/s
    Conjunction Risk Parameters R (Radial): -1.002 | I (In-track): 0.446 | C (Cross-track): 0.16
    Collision Risk Index (CRI) 0.54
    X Position (km) -614.651 -614.159
    Position Y (km) -4269.489 -4268.694
    Position Z (km) 5309.992 5309.396
    Velocity X (km/s) 7.449 4.808
    Velocity Y (km/s) 0.775 4.34
    Velocity Z (km/s) 1.481 4.038

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3959 STARLINK-5633
    Semimajor Axis (a) 6848.894 km 6844.159 km
    Eccentricity (e) 0.000125 0.000349
    Inclination (i) 53.1604° 70.0005°
    RAAN 201.2038° 238.7009°
    Perigee Argument 89.2905° 265.8453°
    Mean Anomaly (M) 270.8240° 28.0563°
    Apogee 471.617 km 468.412 km
    Perigee 469.897 km 463.632 km
    Orbit Epoch 2026-10-19T03:03:35+0000 2026-10-19T06:00:01+0000

    STARLINK-3959 & STARLINK-5633 Collision Probability (Pc) Trend

    STARLINK-3959 & STARLINK-5633 Collision Probability (Pc) TrendNot Available

    STARLINK-3959 & STARLINK-5633 Miss Distance (Miss Distance) Trend

    STARLINK-3959 & STARLINK-5633 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3959Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5633Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3959Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5633Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3959

    No nearby objects data