Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.198634E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:55:32+0800
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    1 Object 1

    AOE ID 49418
    NORAD ID 49418
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54166
    NORAD ID 54166
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3111 STARLINK-5280
    Time of Closest Approach 2026-09-13T00:05:05+0000
    Collision Probability (Pc) 1.198634E-6
    Conjunction Distance (km) 2.881 km
    Relative Speed (km/s) 11.165 km/s
    Conjunction Risk Parameters R (Radial): -2.641 | I (In-track): -0.792 | C (Cross-track): 0.833
    Collision Risk Index (CRI) 0.37
    X Position (km) 1766.398 1766.814
    Position Y (km) 5757.984 5755.42
    Position Z (km) -3258.233 -3256.988
    Velocity X (km/s) -4.193 -5.75
    Velocity Y (km/s) 4.061 -1.01
    Velocity Z (km/s) 4.911 -4.912

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3111 STARLINK-5280
    Semimajor Axis (a) 6843.367 km 6840.881 km
    Eccentricity (e) 0.000123 0.000118
    Inclination (i) 53.1587° 53.1601°
    RAAN 102.6261° 235.2814°
    Perigee Argument 94.1527° 90.4798°
    Mean Anomaly (M) 265.9616° 269.6340°
    Apogee 466.072 km 463.554 km
    Perigee 464.388 km 461.934 km
    Orbit Epoch 2026-09-11T18:31:32+0000 2026-09-11T15:52:50+0000

    STARLINK-3111 & STARLINK-5280 Collision Probability (Pc) Trend

    STARLINK-3111 & STARLINK-5280 Collision Probability (Pc) TrendNot Available

    STARLINK-3111 & STARLINK-5280 Miss Distance (Miss Distance) Trend

    STARLINK-3111 & STARLINK-5280 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3111Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5280Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3111Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5280Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3111

    No nearby objects data