Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.145716E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:15:03+0800
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    1 Object 1

    AOE ID 57815
    NORAD ID 57815
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58484
    NORAD ID 58484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30398 STARLINK-30991
    Time of Closest Approach 2026-10-28T18:40:31+0000
    Collision Probability (Pc) 2.145716E-6
    Conjunction Distance (km) 2.053 km
    Relative Speed (km/s) 10.376 km/s
    Conjunction Risk Parameters R (Radial): 0.525 | I (In-track): -1.454 | C (Cross-track): -1.349
    Collision Risk Index (CRI) 0.42
    X Position (km) 6836.898 6836.29
    Position Y (km) 292.924 294.884
    Position Z (km) 493.195 493.157
    Velocity X (km/s) -0.617 0.136
    Velocity Y (km/s) 5.569 5.601
    Velocity Z (km/s) 5.174 -5.174

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30398 STARLINK-30991
    Semimajor Axis (a) 6861.661 km 6861.203 km
    Eccentricity (e) 0.000151 0.000155
    Inclination (i) 43.0017° 43.0026°
    RAAN 8.7353° 195.5393°
    Perigee Argument 280.3904° 269.0362°
    Mean Anomaly (M) 79.6777° 131.2531°
    Apogee 484.564 km 484.133 km
    Perigee 482.484 km 481.999 km
    Orbit Epoch 2026-10-26T21:08:02+0000 2026-10-27T06:00:04+0000

    STARLINK-30398 & STARLINK-30991 Collision Probability (Pc) Trend

    STARLINK-30398 & STARLINK-30991 Collision Probability (Pc) TrendNot Available

    STARLINK-30398 & STARLINK-30991 Miss Distance (Miss Distance) Trend

    STARLINK-30398 & STARLINK-30991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30398Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30398

    No nearby objects data