Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.844587E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:45:15+0800
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    1 Object 1

    AOE ID 53218
    NORAD ID 53218
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58789
    NORAD ID 58789
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4384 STARLINK-31166
    Time of Closest Approach 2026-09-13T06:39:44+0000
    Collision Probability (Pc) 1.844587E-6
    Conjunction Distance (km) 2.349 km
    Relative Speed (km/s) 13.185 km/s
    Conjunction Risk Parameters R (Radial): -0.847 | I (In-track): 1.091 | C (Cross-track): -1.899
    Collision Risk Index (CRI) 0.4
    X Position (km) 3158.347 3158.814
    Position Y (km) -4315.17 -4312.935
    Position Z (km) 4291.462 4292.012
    Velocity X (km/s) -3.787 6.752
    Velocity Y (km/s) 3.075 2.891
    Velocity Z (km/s) 5.862 -2.059

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4384 STARLINK-31166
    Semimajor Axis (a) 6868.121 km 6861.212 km
    Eccentricity (e) 0.000156 0.000098
    Inclination (i) 97.2856° 43.0036°
    RAAN 309.8726° 206.5015°
    Perigee Argument 86.1083° 277.5335°
    Mean Anomaly (M) 44.9253° 82.5405°
    Apogee 491.055 km 483.751 km
    Perigee 488.913 km 482.399 km
    Orbit Epoch 2026-09-11T00:00:04+0000 2026-09-09T14:17:22+0000

    STARLINK-4384 & STARLINK-31166 Collision Probability (Pc) Trend

    STARLINK-4384 & STARLINK-31166 Collision Probability (Pc) TrendNot Available

    STARLINK-4384 & STARLINK-31166 Miss Distance (Miss Distance) Trend

    STARLINK-4384 & STARLINK-31166 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4384Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31166Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4384Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31166Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4384

    No nearby objects data