Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.935782E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T09:26:47+0800
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    1 Object 1

    AOE ID 51990
    NORAD ID 51990
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69367
    NORAD ID 69367
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3657 STARLINK-37683
    Time of Closest Approach 2026-10-18T05:11:16+0000
    Collision Probability (Pc) 9.935782E-7
    Conjunction Distance (km) 2.74 km
    Relative Speed (km/s) 7.126 km/s
    Conjunction Risk Parameters R (Radial): 2.509 | I (In-track): 0.972 | C (Cross-track): -0.519
    Collision Risk Index (CRI) 0.35
    X Position (km) 3457.038 3455.039
    Position Y (km) -3100.986 -3100.672
    Position Z (km) -5030.577 -5028.73
    Velocity X (km/s) 2.554 6.452
    Velocity Y (km/s) 6.765 3.272
    Velocity Z (km/s) -2.417 2.418

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-37683
    Semimajor Axis (a) 6840.833 km 6840.779 km
    Eccentricity (e) 0.000153 0.000159
    Inclination (i) 53.1599° 53.1595°
    RAAN 90.4093° 21.4801°
    Perigee Argument 86.1833° 308.7228°
    Mean Anomaly (M) 273.9344° 51.3632°
    Apogee 463.744 km 463.731 km
    Perigee 461.648 km 461.553 km
    Orbit Epoch 2026-10-16T19:17:21+0000 2026-10-16T06:35:00+0000

    STARLINK-3657 & STARLINK-37683 Collision Probability (Pc) Trend

    STARLINK-3657 & STARLINK-37683 Collision Probability (Pc) TrendNot Available

    STARLINK-3657 & STARLINK-37683 Miss Distance (Miss Distance) Trend

    STARLINK-3657 & STARLINK-37683 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37683Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37683Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3657

    No nearby objects data