Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.627505E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:03:26+0800
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    1 Object 1

    AOE ID 51120
    NORAD ID 51120
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51137
    NORAD ID 51137
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3398 STARLINK-3180
    Time of Closest Approach 2026-10-22T02:54:42+0000
    Collision Probability (Pc) 7.627505E-7
    Conjunction Distance (km) 1.652 km
    Relative Speed (km/s) 0.397 km/s
    Conjunction Risk Parameters R (Radial): -0.299 | I (In-track): -1.623 | C (Cross-track): 0.041
    Collision Risk Index (CRI) 0.33
    X Position (km) -1424.464 -1425.924
    Position Y (km) -3853.619 -3852.886
    Position Z (km) -5476.887 -5476.649
    Velocity X (km/s) 7.093 7.203
    Velocity Y (km/s) -2.792 -2.496
    Velocity Z (km/s) 0.12 -0.12

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3398 STARLINK-3180
    Semimajor Axis (a) 6840.819 km 6840.780 km
    Eccentricity (e) 0.000127 0.000119
    Inclination (i) 53.1589° 53.1589°
    RAAN 351.7735° 355.1951°
    Perigee Argument 83.1442° 84.9154°
    Mean Anomaly (M) 276.9705° 275.1984°
    Apogee 463.553 km 463.457 km
    Perigee 461.811 km 461.829 km
    Orbit Epoch 2026-10-19T03:23:18+0000 2026-10-19T04:57:49+0000

    STARLINK-3398 & STARLINK-3180 Collision Probability (Pc) Trend

    STARLINK-3398 & STARLINK-3180 Collision Probability (Pc) TrendNot Available

    STARLINK-3398 & STARLINK-3180 Miss Distance (Miss Distance) Trend

    STARLINK-3398 & STARLINK-3180 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3180Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3398Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3180Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3398

    No nearby objects data