Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.481884E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:21:49+0800
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    1 Object 1

    AOE ID 53998
    NORAD ID 53998
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54064
    NORAD ID 54064
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5128 STARLINK-5172
    Time of Closest Approach 2026-10-30T12:38:44+0000
    Collision Probability (Pc) 2.481884E-6
    Conjunction Distance (km) 1.776 km
    Relative Speed (km/s) 7.168 km/s
    Conjunction Risk Parameters R (Radial): -0.006 | I (In-track): 1.568 | C (Cross-track): 0.834
    Collision Risk Index (CRI) 0.43
    X Position (km) -4656.624 -4656.572
    Position Y (km) 146.838 148.612
    Position Z (km) -5027.794 -5027.797
    Velocity X (km/s) -2.839 2.413
    Velocity Y (km/s) -6.638 -6.805
    Velocity Z (km/s) 2.438 -2.437

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5128 STARLINK-5172
    Semimajor Axis (a) 6848.760 km 6848.827 km
    Eccentricity (e) 0.000199 0.000080
    Inclination (i) 53.1583° 53.1572°
    RAAN 249.1650° 317.4783°
    Perigee Argument 56.7796° 60.3372°
    Mean Anomaly (M) 303.3396° 246.3811°
    Apogee 471.988 km 471.236 km
    Perigee 469.258 km 470.144 km
    Orbit Epoch 2026-10-26T21:14:22+0000 2026-10-27T16:00:03+0000

    STARLINK-5128 & STARLINK-5172 Collision Probability (Pc) Trend

    STARLINK-5128 & STARLINK-5172 Collision Probability (Pc) TrendNot Available

    STARLINK-5128 & STARLINK-5172 Miss Distance (Miss Distance) Trend

    STARLINK-5128 & STARLINK-5172 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5128Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5172Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5128Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5172Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5128

    No nearby objects data