Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.407586E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:51:15+0800
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    1 Object 1

    AOE ID 52703
    NORAD ID 52703
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54686
    NORAD ID 54686
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4020 OBJECT E
    Time of Closest Approach 2026-09-13T20:38:30+0000
    Collision Probability (Pc) 1.407586E-6
    Conjunction Distance (km) 2.471 km
    Relative Speed (km/s) 9.834 km/s
    Conjunction Risk Parameters R (Radial): -2.183 | I (In-track): -0.882 | C (Cross-track): 0.746
    Collision Risk Index (CRI) 0.38
    X Position (km) -2238.847 -2238.996
    Position Y (km) -3807.816 -3806.996
    Position Z (km) -5226.713 -5224.388
    Velocity X (km/s) 7.199 1.524
    Velocity Y (km/s) -1.736 5.713
    Velocity Z (km/s) -1.82 -4.821

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4020 OBJECT E
    Semimajor Axis (a) 6837.868 km 6838.666 km
    Eccentricity (e) 0.000107 0.000718
    Inclination (i) 53.1619° 97.6932°
    RAAN 7.3154° 66.7248°
    Perigee Argument 83.8853° 211.4588°
    Mean Anomaly (M) 276.2271° 148.6226°
    Apogee 460.460 km 465.440 km
    Perigee 459.002 km 455.618 km
    Orbit Epoch 2026-09-11T15:59:33+0000 2026-09-11T22:16:29+0000

    STARLINK-4020 & OBJECT E Collision Probability (Pc) Trend

    STARLINK-4020 & OBJECT E Collision Probability (Pc) TrendNot Available

    STARLINK-4020 & OBJECT E Miss Distance (Miss Distance) Trend

    STARLINK-4020 & OBJECT E Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4020Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4020Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4020

    No nearby objects data