Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.193795E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:45:23+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 66211
    NORAD ID 66211
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-35723
    Time of Closest Approach 2026-10-21T08:57:26+0000
    Collision Probability (Pc) 1.193795E-4
    Conjunction Distance (km) 0.581 km
    Relative Speed (km/s) 11.114 km/s
    Conjunction Risk Parameters R (Radial): -0.379 | I (In-track): 0.295 | C (Cross-track): -0.325
    Collision Risk Index (CRI) 0.77
    X Position (km) 720.446 720.051
    Position Y (km) -6211.277 -6211.676
    Position Z (km) 2764.64 2764.786
    Velocity X (km/s) 5.68 4.704
    Velocity Y (km/s) -1.514 2.902
    Velocity Z (km/s) -4.879 5.273

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-35723
    Semimajor Axis (a) 6839.851 km 6840.807 km
    Eccentricity (e) 0.000751 0.000234
    Inclination (i) 49.1029° 53.1563°
    RAAN 121.2823° 262.1507°
    Perigee Argument 236.7836° 88.4520°
    Mean Anomaly (M) 123.2392° 271.6751°
    Apogee 466.853 km 464.273 km
    Perigee 456.575 km 461.067 km
    Orbit Epoch 2026-10-20T22:56:29+0000 2026-10-20T07:48:52+0000

    LONGJIANG 3 & STARLINK-35723 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-35723 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-35723 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-35723 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35723Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35723Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data