Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.962613E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T02:11:32+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 65029
    NORAD ID 65029
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-34731
    Time of Closest Approach 2026-09-14T07:02:26+0000
    Collision Probability (Pc) 1.962613E-6
    Conjunction Distance (km) 2.213 km
    Relative Speed (km/s) 11.881 km/s
    Conjunction Risk Parameters R (Radial): 1.172 | I (In-track): 1.19 | C (Cross-track): -1.451
    Collision Risk Index (CRI) 0.41
    X Position (km) 4535.017 4537.198
    Position Y (km) -5101.296 -5100.927
    Position Z (km) 440.629 440.651
    Velocity X (km/s) 3.49 3.694
    Velocity Y (km/s) 3.614 2.748
    Velocity Z (km/s) 5.754 -6.093

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-34731
    Semimajor Axis (a) 6842.022 km 6840.853 km
    Eccentricity (e) 0.000631 0.000123
    Inclination (i) 49.1043° 53.1576°
    RAAN 313.4215° 140.6668°
    Perigee Argument 62.1420° 87.1626°
    Mean Anomaly (M) 298.0165° 272.9518°
    Apogee 468.200 km 463.559 km
    Perigee 459.570 km 461.873 km
    Orbit Epoch 2026-09-13T07:34:13+0000 2026-09-12T23:00:55+0000

    LONGJIANG 3 & STARLINK-34731 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-34731 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-34731 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-34731 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data