Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.60584E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:55:46+0800
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    1 Object 1

    AOE ID 53479
    NORAD ID 53479
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56874
    NORAD ID 56874
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4436 LONGJIANG 3
    Time of Closest Approach 2026-09-12T07:35:51+0000
    Collision Probability (Pc) 4.60584E-5
    Conjunction Distance (km) 0.762 km
    Relative Speed (km/s) 8.676 km/s
    Conjunction Risk Parameters R (Radial): 0.266 | I (In-track): 0.582 | C (Cross-track): -0.412
    Collision Risk Index (CRI) 0.68
    X Position (km) -5157.594 -5157.849
    Position Y (km) -607.636 -607.369
    Position Z (km) -4467.871 -4467.205
    Velocity X (km/s) 4.716 3.257
    Velocity Y (km/s) 1.84 -6.245
    Velocity Z (km/s) -5.699 -2.913

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4436 LONGJIANG 3
    Semimajor Axis (a) 6843.691 km 6842.116 km
    Eccentricity (e) 0.000095 0.000640
    Inclination (i) 97.2864° 49.1050°
    RAAN 12.0347° 322.0613°
    Perigee Argument 99.9320° 54.2158°
    Mean Anomaly (M) 260.2031° 305.9383°
    Apogee 466.207 km 468.357 km
    Perigee 464.901 km 459.601 km
    Orbit Epoch 2026-09-11T07:08:42+0000 2026-09-11T14:55:29+0000

    STARLINK-4436 & LONGJIANG 3 Collision Probability (Pc) Trend

    STARLINK-4436 & LONGJIANG 3 Collision Probability (Pc) TrendNot Available

    STARLINK-4436 & LONGJIANG 3 Miss Distance (Miss Distance) Trend

    STARLINK-4436 & LONGJIANG 3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4436Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4436Collision Probability Trend

    Object 1 Probability TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4436

    No nearby objects data