Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.714065E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:18:02+0800
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    1 Object 1

    AOE ID 52621
    NORAD ID 52621
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58985
    NORAD ID 58985
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3984 STARLINK-31385
    Time of Closest Approach 2026-10-22T11:43:22+0000
    Collision Probability (Pc) 2.714065E-7
    Conjunction Distance (km) 2.941 km
    Relative Speed (km/s) 0.308 km/s
    Conjunction Risk Parameters R (Radial): -2.869 | I (In-track): 0.642 | C (Cross-track): 0.002
    Collision Risk Index (CRI) 0.24
    X Position (km) -2938.539 -2940.225
    Position Y (km) -2867.666 -2868.416
    Position Z (km) -5474.84 -5477.128
    Velocity X (km/s) 5.241 5.416
    Velocity Y (km/s) -5.538 -5.365
    Velocity Z (km/s) 0.088 -0.097

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3984 STARLINK-31385
    Semimajor Axis (a) 6837.883 km 6840.855 km
    Eccentricity (e) 0.000103 0.000092
    Inclination (i) 53.1589° 53.1606°
    RAAN 322.3003° 327.0085°
    Perigee Argument 84.0150° 83.7273°
    Mean Anomaly (M) 276.0971° 276.3834°
    Apogee 460.454 km 463.345 km
    Perigee 459.038 km 462.091 km
    Orbit Epoch 2026-10-20T11:40:51+0000 2026-10-20T02:16:40+0000

    STARLINK-3984 & STARLINK-31385 Collision Probability (Pc) Trend

    STARLINK-3984 & STARLINK-31385 Collision Probability (Pc) TrendNot Available

    STARLINK-3984 & STARLINK-31385 Miss Distance (Miss Distance) Trend

    STARLINK-3984 & STARLINK-31385 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3984Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31385Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3984Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31385Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3984

    No nearby objects data