Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.433636E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:09:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 55288
    NORAD ID 55288
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3109 STARLINK-5311
    Time of Closest Approach 2026-09-07T14:00:02+0000
    Collision Probability (Pc) 3.433636E-6
    Conjunction Distance (km) 1.765 km
    Relative Speed (km/s) 11.561 km/s
    Conjunction Risk Parameters R (Radial): 1.764 | I (In-track): 0.046 | C (Cross-track): -0.052
    Collision Risk Index (CRI) 0.46
    X Position (km) 2880.362 2879.588
    Position Y (km) -2289.588 -2289.062
    Position Z (km) 5893.866 5892.37
    Velocity X (km/s) 6.884 -0.795
    Velocity Y (km/s) 0.777 6.883
    Velocity Z (km/s) -3.057 3.057

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3109 STARLINK-5311
    Semimajor Axis (a) 6952.665 km 6950.188 km
    Eccentricity (e) 0.000280 0.000367
    Inclination (i) 70.0012° 69.9991°
    RAAN 184.8262° 292.7536°
    Perigee Argument 266.1424° 270.5237°
    Mean Anomaly (M) 93.9415° 89.5502°
    Apogee 576.472 km 574.599 km
    Perigee 572.584 km 569.503 km
    Orbit Epoch 2026-09-04T13:20:51+0000 2026-09-04T20:01:19+0000

    STARLINK-3109 & STARLINK-5311 Collision Probability (Pc) Trend

    STARLINK-3109 & STARLINK-5311 Collision Probability (Pc) TrendNot Available

    STARLINK-3109 & STARLINK-5311 Miss Distance (Miss Distance) Trend

    STARLINK-3109 & STARLINK-5311 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3109Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5311Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3109Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5311Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3109

    No nearby objects data