Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.709094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:11:03+0800
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    1 Object 1

    AOE ID 49256
    NORAD ID 49256
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53851
    NORAD ID 53851
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter JILIN-01 GAOFEN 2D STARLINK-4755
    Time of Closest Approach 2026-09-11T18:10:03+0000
    Collision Probability (Pc) 2.709094E-6
    Conjunction Distance (km) 2.034 km
    Relative Speed (km/s) 14.525 km/s
    Conjunction Risk Parameters R (Radial): 0.811 | I (In-track): -0.537 | C (Cross-track): -1.785
    Collision Risk Index (CRI) 0.44
    X Position (km) -5673.592 -5674.526
    Position Y (km) -2242.563 -2241.121
    Position Z (km) 3251.957 3253.045
    Velocity X (km/s) -3.697 4.342
    Velocity Y (km/s) -0.228 -3.834
    Velocity Z (km/s) -6.633 4.914

    Orbital Parameters 国际轨道数据源

    Parameter JILIN-01 GAOFEN 2D STARLINK-4755
    Semimajor Axis (a) 6919.239 km 6917.904 km
    Eccentricity (e) 0.002961 0.000171
    Inclination (i) 97.6575° 53.1594°
    RAAN 16.6330° 186.0604°
    Perigee Argument 231.1244° 98.5337°
    Mean Anomaly (M) 128.7343° 261.5848°
    Apogee 561.588 km 540.950 km
    Perigee 520.616 km 538.584 km
    Orbit Epoch 2026-09-10T22:23:24+0000 2026-09-09T23:05:06+0000

    JILIN-01 GAOFEN 2D & STARLINK-4755 Collision Probability (Pc) Trend

    JILIN-01 GAOFEN 2D & STARLINK-4755 Collision Probability (Pc) TrendNot Available

    JILIN-01 GAOFEN 2D & STARLINK-4755 Miss Distance (Miss Distance) Trend

    JILIN-01 GAOFEN 2D & STARLINK-4755 Miss Distance (Miss Distance) TrendNot Available

    JILIN-01 GAOFEN 2DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4755Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    JILIN-01 GAOFEN 2DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4755Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with JILIN-01 GAOFEN 2D

    No nearby objects data