Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.019504E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:30:13+0800
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    1 Object 1

    AOE ID 54862
    NORAD ID 54862
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66509
    NORAD ID 66509
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5403 STARLINK-35598
    Time of Closest Approach 2026-10-29T20:39:35+0000
    Collision Probability (Pc) 4.019504E-6
    Conjunction Distance (km) 1.602 km
    Relative Speed (km/s) 9.451 km/s
    Conjunction Risk Parameters R (Radial): 0.808 | I (In-track): -1.079 | C (Cross-track): 0.865
    Collision Risk Index (CRI) 0.47
    X Position (km) -684.894 -686.349
    Position Y (km) -6351.205 -6351.801
    Position Z (km) 2493.77 2494.072
    Velocity X (km/s) 6.139 5.768
    Velocity Y (km/s) 1.067 -2.357
    Velocity Z (km/s) 4.401 -4.399

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5403 STARLINK-35598
    Semimajor Axis (a) 6861.354 km 6861.205 km
    Eccentricity (e) 0.000763 0.000083
    Inclination (i) 42.9913° 42.9978°
    RAAN 253.8818° 123.5312°
    Perigee Argument 291.6319° 315.0972°
    Mean Anomaly (M) 68.3719° 44.9812°
    Apogee 488.455 km 483.639 km
    Perigee 477.979 km 482.497 km
    Orbit Epoch 2026-10-27T05:44:44+0000 2026-10-27T05:14:45+0000

    STARLINK-5403 & STARLINK-35598 Collision Probability (Pc) Trend

    STARLINK-5403 & STARLINK-35598 Collision Probability (Pc) TrendNot Available

    STARLINK-5403 & STARLINK-35598 Miss Distance (Miss Distance) Trend

    STARLINK-5403 & STARLINK-35598 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35598Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35598Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5403

    No nearby objects data