Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.443778E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:45:28+0800
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    1 Object 1

    AOE ID 53509
    NORAD ID 53509
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63107
    NORAD ID 63107
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4402 STARLINK-11627
    Time of Closest Approach 2026-09-13T18:55:24+0000
    Collision Probability (Pc) 5.443778E-6
    Conjunction Distance (km) 1.587 km
    Relative Speed (km/s) 14.249 km/s
    Conjunction Risk Parameters R (Radial): 1.539 | I (In-track): -0.16 | C (Cross-track): -0.353
    Collision Risk Index (CRI) 0.5
    X Position (km) 5373.688 5372.352
    Position Y (km) 3099.114 3098.739
    Position Z (km) -2626.976 -2626.207
    Velocity X (km/s) 3.118 -4.629
    Velocity Y (km/s) 0.523 4.383
    Velocity Z (km/s) 7.011 -4.307

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4402 STARLINK-11627
    Semimajor Axis (a) 6734.046 km 6734.111 km
    Eccentricity (e) 0.000172 0.000108
    Inclination (i) 97.6058° 42.9996°
    RAAN 24.9621° 194.3014°
    Perigee Argument 66.4805° 19.5125°
    Mean Anomaly (M) 101.3275° 340.5784°
    Apogee 357.066 km 356.704 km
    Perigee 354.752 km 355.244 km
    Orbit Epoch 2026-09-12T04:00:02+0000 2026-09-11T21:46:27+0000

    STARLINK-4402 & STARLINK-11627 Collision Probability (Pc) Trend

    STARLINK-4402 & STARLINK-11627 Collision Probability (Pc) TrendNot Available

    STARLINK-4402 & STARLINK-11627 Miss Distance (Miss Distance) Trend

    STARLINK-4402 & STARLINK-11627 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11627Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11627Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4402

    No nearby objects data