Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.688636E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:10:52+0800
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    1 Object 1

    AOE ID 49143
    NORAD ID 49143
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55664
    NORAD ID 55664
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3109 STARLINK-5480
    Time of Closest Approach 2026-09-07T11:21:51+0000
    Collision Probability (Pc) 1.688636E-6
    Conjunction Distance (km) 2.371 km
    Relative Speed (km/s) 11.736 km/s
    Conjunction Risk Parameters R (Radial): 2.312 | I (In-track): 0.328 | C (Cross-track): -0.412
    Collision Risk Index (CRI) 0.4
    X Position (km) 3204.389 3203.607
    Position Y (km) 1990.296 1989.19
    Position Z (km) -5845.951 -5844.005
    Velocity X (km/s) -6.706 1.671
    Velocity Y (km/s) 1.453 6.656
    Velocity Z (km/s) -3.181 3.181

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3109 STARLINK-5480
    Semimajor Axis (a) 6952.665 km 6950.224 km
    Eccentricity (e) 0.000280 0.000294
    Inclination (i) 70.0012° 69.9991°
    RAAN 184.8262° 72.9034°
    Perigee Argument 266.1424° 265.6672°
    Mean Anomaly (M) 93.9415° 94.4152°
    Apogee 576.472 km 574.129 km
    Perigee 572.584 km 570.045 km
    Orbit Epoch 2026-09-04T13:20:51+0000 2026-09-04T19:33:24+0000

    STARLINK-3109 & STARLINK-5480 Collision Probability (Pc) Trend

    STARLINK-3109 & STARLINK-5480 Collision Probability (Pc) TrendNot Available

    STARLINK-3109 & STARLINK-5480 Miss Distance (Miss Distance) Trend

    STARLINK-3109 & STARLINK-5480 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3109Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5480Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3109Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5480Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3109

    No nearby objects data