Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.643506E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:55:41+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 69821
    NORAD ID 69821
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3984 STARLINK-37561
    Time of Closest Approach 2026-10-21T23:46:23+0000
    Collision Probability (Pc) 1.643506E-6
    Conjunction Distance (km) 2.366 km
    Relative Speed (km/s) 11.136 km/s
    Conjunction Risk Parameters R (Radial): -1.469 | I (In-track): 1.279 | C (Cross-track): 1.342
    Collision Risk Index (CRI) 0.39
    X Position (km) 5611.404 5611.962
    Position Y (km) -2074.449 -2076.631
    Position Z (km) 3303.288 3304.01
    Velocity X (km/s) -0.717 4.347
    Velocity Y (km/s) 5.844 3.971
    Velocity Z (km/s) 4.87 -4.869

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3984 STARLINK-37561
    Semimajor Axis (a) 6837.874 km 6840.777 km
    Eccentricity (e) 0.000157 0.000240
    Inclination (i) 53.1574° 53.1573°
    RAAN 326.8716° 197.9791°
    Perigee Argument 95.0595° 92.5507°
    Mean Anomaly (M) 265.0587° 267.5771°
    Apogee 460.812 km 464.285 km
    Perigee 458.662 km 460.995 km
    Orbit Epoch 2026-10-19T12:14:50+0000 2026-10-19T00:48:50+0000

    STARLINK-3984 & STARLINK-37561 Collision Probability (Pc) Trend

    STARLINK-3984 & STARLINK-37561 Collision Probability (Pc) TrendNot Available

    STARLINK-3984 & STARLINK-37561 Miss Distance (Miss Distance) Trend

    STARLINK-3984 & STARLINK-37561 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3984Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37561Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3984Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37561Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3984

    No nearby objects data