Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.457303E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T14:47:29+0800
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    1 Object 1

    AOE ID 56874
    NORAD ID 56874
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68665
    NORAD ID 68665
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-37171
    Time of Closest Approach 2026-09-16T02:04:52+0000
    Collision Probability (Pc) 3.457303E-6
    Conjunction Distance (km) 1.856 km
    Relative Speed (km/s) 14.567 km/s
    Conjunction Risk Parameters R (Radial): -1.775 | I (In-track): -0.164 | C (Cross-track): 0.513
    Collision Risk Index (CRI) 0.46
    X Position (km) -4348.923 -4350.454
    Position Y (km) 5064.317 5065.352
    Position Z (km) -1519.404 -1519.574
    Velocity X (km/s) -3.074 -0.336
    Velocity Y (km/s) -4.283 1.913
    Velocity Z (km/s) -5.518 7.379

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-37171
    Semimajor Axis (a) 6841.983 km 6843.646 km
    Eccentricity (e) 0.000627 0.000269
    Inclination (i) 49.1043° 97.2831°
    RAAN 310.0983° 126.4846°
    Perigee Argument 65.1854° 81.1251°
    Mean Anomaly (M) 294.9744° 279.0297°
    Apogee 468.135 km 467.354 km
    Perigee 459.557 km 463.664 km
    Orbit Epoch 2026-09-13T23:12:11+0000 2026-09-13T13:03:39+0000

    LONGJIANG 3 & STARLINK-37171 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-37171 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-37171 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-37171 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data