Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.589804E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:40:00+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 2026-10-22T07:40:25+0000
    Collision Probability (Pc) 9.589804E-7
    Conjunction Distance (km) 2.813 km
    Relative Speed (km/s) 7.125 km/s
    Conjunction Risk Parameters R (Radial): -0.745 | I (In-track): -2.4 | C (Cross-track): -1.263
    Collision Risk Index (CRI) 0.35
    X Position (km) 2246.371 2243.754
    Position Y (km) -4064.089 -4064.962
    Position Z (km) -5030.896 -5030.346
    Velocity X (km/s) 4.635 7.168
    Velocity Y (km/s) 5.551 0.969
    Velocity Z (km/s) -2.416 2.416

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-37683
    Semimajor Axis (a) 6840.870 km 6840.848 km
    Eccentricity (e) 0.000143 0.000091
    Inclination (i) 53.1622° 53.1592°
    RAAN 78.2310° 4.4294°
    Perigee Argument 85.0651° 89.5143°
    Mean Anomaly (M) 275.0515° 270.5963°
    Apogee 463.715 km 463.333 km
    Perigee 461.751 km 462.089 km
    Orbit Epoch 2026-10-19T09:49:11+0000 2026-10-19T22:07:34+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