Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.675589E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:48:40+0800
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    1 Object 1

    AOE ID 51785
    NORAD ID 51785
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69137
    NORAD ID 69137
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3646 STARLINK-37662
    Time of Closest Approach 2026-10-20T22:19:37+0000
    Collision Probability (Pc) 2.675589E-6
    Conjunction Distance (km) 1.947 km
    Relative Speed (km/s) 11.929 km/s
    Conjunction Risk Parameters R (Radial): -1.555 | I (In-track): -0.725 | C (Cross-track): 0.917
    Collision Risk Index (CRI) 0.44
    X Position (km) 1977.957 1977.209
    Position Y (km) -3604.174 -3604.347
    Position Z (km) -5482.775 -5480.987
    Velocity X (km/s) 6.722 -4.277
    Velocity Y (km/s) 3.59 4.448
    Velocity Z (km/s) 0.066 -4.471

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3646 STARLINK-37662
    Semimajor Axis (a) 6848.827 km 6843.681 km
    Eccentricity (e) 0.000195 0.000145
    Inclination (i) 53.1594° 97.2846°
    RAAN 30.6984° 127.6893°
    Perigee Argument 328.2834° 93.5902°
    Mean Anomaly (M) 31.8050° 266.5506°
    Apogee 472.023 km 466.537 km
    Perigee 469.357 km 464.551 km
    Orbit Epoch 2026-10-20T07:03:22+0000 2026-10-20T00:57:06+0000

    STARLINK-3646 & STARLINK-37662 Collision Probability (Pc) Trend

    STARLINK-3646 & STARLINK-37662 Collision Probability (Pc) TrendNot Available

    STARLINK-3646 & STARLINK-37662 Miss Distance (Miss Distance) Trend

    STARLINK-3646 & STARLINK-37662 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3646Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37662Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3646Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37662Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3646

    No nearby objects data