Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.862574E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:58:07+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 65937
    NORAD ID 65937
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-35473
    Time of Closest Approach 2026-09-05T14:45:37+0000
    Collision Probability (Pc) 7.862574E-7
    Conjunction Distance (km) 2.943 km
    Relative Speed (km/s) 5.483 km/s
    Conjunction Risk Parameters R (Radial): -1.875 | I (In-track): 2.117 | C (Cross-track): -0.814
    Collision Risk Index (CRI) 0.33
    X Position (km) 971.796 973.694
    Position Y (km) -4530.332 -4528.434
    Position Z (km) -5042.198 -5040.991
    Velocity X (km/s) 7.511 6.062
    Velocity Y (km/s) 0.172 3.961
    Velocity Z (km/s) 1.301 -2.389

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-35473
    Semimajor Axis (a) 6842.649 km 6840.914 km
    Eccentricity (e) 0.000661 0.000093
    Inclination (i) 49.1052° 53.1593°
    RAAN 7.9150° 61.9786°
    Perigee Argument 13.4313° 75.7444°
    Mean Anomaly (M) 346.6808° 284.3662°
    Apogee 469.035 km 463.414 km
    Perigee 459.989 km 462.140 km
    Orbit Epoch 2026-09-02T15:10:32+0000 2026-09-02T12:13:01+0000

    LONGJIANG 3 & STARLINK-35473 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-35473 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-35473 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-35473 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35473Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35473Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data