Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.674301E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:04:12+0800
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    1 Object 1

    AOE ID 53212
    NORAD ID 53212
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54208
    NORAD ID 54208
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4416 STARLINK-5255
    Time of Closest Approach 2026-09-12T20:53:40+0000
    Collision Probability (Pc) 1.674301E-6
    Conjunction Distance (km) 2.443 km
    Relative Speed (km/s) 12.733 km/s
    Conjunction Risk Parameters R (Radial): 1.828 | I (In-track): -0.885 | C (Cross-track): 1.358
    Collision Risk Index (CRI) 0.39
    X Position (km) 2227.773 2227.885
    Position Y (km) -3534.537 -3536.86
    Position Z (km) 5414.132 5414.877
    Velocity X (km/s) -4.496 6.957
    Velocity Y (km/s) 4.161 3.017
    Velocity Z (km/s) 4.556 -0.889

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4416 STARLINK-5255
    Semimajor Axis (a) 6846.314 km 6848.897 km
    Eccentricity (e) 0.000121 0.000220
    Inclination (i) 97.2829° 53.1613°
    RAAN 309.5103° 215.2025°
    Perigee Argument 72.5753° 65.8166°
    Mean Anomaly (M) 326.8692° 294.3064°
    Apogee 469.004 km 472.265 km
    Perigee 467.350 km 469.255 km
    Orbit Epoch 2026-09-10T14:00:03+0000 2026-09-09T06:20:07+0000

    STARLINK-4416 & STARLINK-5255 Collision Probability (Pc) Trend

    STARLINK-4416 & STARLINK-5255 Collision Probability (Pc) TrendNot Available

    STARLINK-4416 & STARLINK-5255 Miss Distance (Miss Distance) Trend

    STARLINK-4416 & STARLINK-5255 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4416Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5255Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4416Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5255Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4416

    No nearby objects data