Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.307584E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T01:47:42+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 66190
    NORAD ID 66190
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-34863
    Time of Closest Approach 2026-09-07T10:43:21+0000
    Collision Probability (Pc) 4.307584E-5
    Conjunction Distance (km) 0.819 km
    Relative Speed (km/s) 11.012 km/s
    Conjunction Risk Parameters R (Radial): 0.816 | I (In-track): -0.041 | C (Cross-track): 0.05
    Collision Risk Index (CRI) 0.68
    X Position (km) 4716.444 4716.967
    Position Y (km) -4027.516 -4028.047
    Position Z (km) -2893.358 -2893.697
    Velocity X (km/s) 5.272 1.441
    Velocity Y (km/s) 2.748 5.407
    Velocity Z (km/s) 4.787 -5.188

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-34863
    Semimajor Axis (a) 6842.499 km 6840.942 km
    Eccentricity (e) 0.000645 0.000120
    Inclination (i) 49.1058° 53.1602°
    RAAN 354.2922° 128.6534°
    Perigee Argument 24.5447° 90.1102°
    Mean Anomaly (M) 335.5805° 270.0038°
    Apogee 468.774 km 463.623 km
    Perigee 459.950 km 461.987 km
    Orbit Epoch 2026-09-05T07:16:39+0000 2026-09-05T09:20:34+0000

    LONGJIANG 3 & STARLINK-34863 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-34863 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-34863 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-34863 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34863Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34863Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data