Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.410144E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:24:00+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 63237
    NORAD ID 63237
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-3398 OBJECT AD
    Time of Closest Approach 2026-10-21T09:31:46+0000
    Collision Probability (Pc) 1.410144E-6
    Conjunction Distance (km) 2.843 km
    Relative Speed (km/s) 14.371 km/s
    Conjunction Risk Parameters R (Radial): 0.991 | I (In-track): -0.882 | C (Cross-track): 2.514
    Collision Risk Index (CRI) 0.38
    X Position (km) -5297.988 -5297.341
    Position Y (km) -1437.708 -1439.957
    Position Z (km) -4089.75 -4088.137
    Velocity X (km/s) 4.412 -4.652
    Velocity Y (km/s) -4.713 0
    Velocity Z (km/s) -4.063 6.044

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3398 OBJECT AD
    Semimajor Axis (a) 6840.848 km 6837.573 km
    Eccentricity (e) 0.000104 0.000779
    Inclination (i) 53.1593° 97.3761°
    RAAN 346.9025° 188.2424°
    Perigee Argument 89.2263° 65.9973°
    Mean Anomaly (M) 270.8859° 294.2085°
    Apogee 463.422 km 464.762 km
    Perigee 462.000 km 454.110 km
    Orbit Epoch 2026-10-20T04:24:02+0000 2026-10-19T23:16:57+0000

    STARLINK-3398 & OBJECT AD Collision Probability (Pc) Trend

    STARLINK-3398 & OBJECT AD Collision Probability (Pc) TrendNot Available

    STARLINK-3398 & OBJECT AD Miss Distance (Miss Distance) Trend

    STARLINK-3398 & OBJECT AD Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT ADMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3398Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ADCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3398

    No nearby objects data