Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.262391E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:41:03+0800
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    1 Object 1

    AOE ID 54858
    NORAD ID 54858
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63993
    NORAD ID 63993
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5407 OBJECT M
    Time of Closest Approach 2026-10-21T05:28:11+0000
    Collision Probability (Pc) 1.262391E-6
    Conjunction Distance (km) 2.734 km
    Relative Speed (km/s) 10.795 km/s
    Conjunction Risk Parameters R (Radial): 0.441 | I (In-track): 1.9 | C (Cross-track): 1.917
    Collision Risk Index (CRI) 0.37
    X Position (km) 5081.729 5080.49
    Position Y (km) 282.671 284.148
    Position Z (km) 4592.118 4594.056
    Velocity X (km/s) -1.29 -4.959
    Velocity Y (km/s) 7.455 -1.594
    Velocity Z (km/s) 0.966 5.567

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5407 OBJECT M
    Semimajor Axis (a) 6861.199 km 6855.704 km
    Eccentricity (e) 0.000074 0.000482
    Inclination (i) 43.0022° 97.3556°
    RAAN 294.4124° 9.1793°
    Perigee Argument 251.2317° 210.4322°
    Mean Anomaly (M) 108.8455° 149.6639°
    Apogee 483.568 km 480.871 km
    Perigee 482.556 km 474.263 km
    Orbit Epoch 2026-10-20T00:52:39+0000 2026-10-20T12:00:43+0000

    STARLINK-5407 & OBJECT M Collision Probability (Pc) Trend

    STARLINK-5407 & OBJECT M Collision Probability (Pc) TrendNot Available

    STARLINK-5407 & OBJECT M Miss Distance (Miss Distance) Trend

    STARLINK-5407 & OBJECT M Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5407Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT MMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5407Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT MCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5407

    No nearby objects data