Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.064208E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:19:58+0800
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    1 Object 1

    AOE ID 53733
    NORAD ID 53733
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58390
    NORAD ID 58390
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4574 STARLINK-30868
    Time of Closest Approach 2026-09-12T01:58:13+0000
    Collision Probability (Pc) 1.064208E-6
    Conjunction Distance (km) 2.804 km
    Relative Speed (km/s) 8.509 km/s
    Conjunction Risk Parameters R (Radial): 2.54 | I (In-track): -0.984 | C (Cross-track): 0.665
    Collision Risk Index (CRI) 0.36
    X Position (km) -1093.054 -1091.49
    Position Y (km) -4813.949 -4812.426
    Position Z (km) 4729.857 4728.098
    Velocity X (km/s) 5.534 6.84
    Velocity Y (km/s) -4.278 1.471
    Velocity Z (km/s) -3.067 3.068

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4574 STARLINK-30868
    Semimajor Axis (a) 6843.405 km 6840.889 km
    Eccentricity (e) 0.000136 0.000161
    Inclination (i) 53.1602° 53.1588°
    RAAN 133.2689° 218.0530°
    Perigee Argument 95.8012° 88.7274°
    Mean Anomaly (M) 264.3146° 271.3912°
    Apogee 466.199 km 463.852 km
    Perigee 464.337 km 461.652 km
    Orbit Epoch 2026-09-09T21:49:58+0000 2026-09-10T15:19:08+0000

    STARLINK-4574 & STARLINK-30868 Collision Probability (Pc) Trend

    STARLINK-4574 & STARLINK-30868 Collision Probability (Pc) TrendNot Available

    STARLINK-4574 & STARLINK-30868 Miss Distance (Miss Distance) Trend

    STARLINK-4574 & STARLINK-30868 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4574Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30868Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4574Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30868Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4574

    No nearby objects data