Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.576598E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:17:19+0800
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    1 Object 1

    AOE ID 54788
    NORAD ID 54788
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57505
    NORAD ID 57505
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5399 STARLINK-30227
    Time of Closest Approach 2026-09-05T10:28:55+0000
    Collision Probability (Pc) 1.576598E-6
    Conjunction Distance (km) 2.389 km
    Relative Speed (km/s) 10.724 km/s
    Conjunction Risk Parameters R (Radial): 0.215 | I (In-track): -1.699 | C (Cross-track): 1.665
    Collision Risk Index (CRI) 0.39
    X Position (km) 448.559 446.207
    Position Y (km) -6414.523 -6414.804
    Position Z (km) -2344.398 -2344.703
    Velocity X (km/s) 4.997 5.815
    Velocity Y (km/s) -1.664 2.058
    Velocity Z (km/s) 5.523 -4.501

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5399 STARLINK-30227
    Semimajor Axis (a) 6840.874 km 6849.990 km
    Eccentricity (e) 0.000117 0.001729
    Inclination (i) 53.1596° 42.9938°
    RAAN 303.2435° 90.8039°
    Perigee Argument 76.3650° 243.4092°
    Mean Anomaly (M) 283.7482° 116.4989°
    Apogee 463.537 km 483.698 km
    Perigee 461.937 km 460.008 km
    Orbit Epoch 2026-09-02T13:48:31+0000 2026-09-01T22:36:30+0000

    STARLINK-5399 & STARLINK-30227 Collision Probability (Pc) Trend

    STARLINK-5399 & STARLINK-30227 Collision Probability (Pc) TrendNot Available

    STARLINK-5399 & STARLINK-30227 Miss Distance (Miss Distance) Trend

    STARLINK-5399 & STARLINK-30227 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30227Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30227Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5399

    No nearby objects data