Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.506257E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:57:02+0800
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    1 Object 1

    AOE ID 53249
    NORAD ID 53249
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69304
    NORAD ID 69304
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4128 STARLINK-37731
    Time of Closest Approach 2026-09-06T16:09:15+0000
    Collision Probability (Pc) 1.506257E-6
    Conjunction Distance (km) 2.742 km
    Relative Speed (km/s) 14.744 km/s
    Conjunction Risk Parameters R (Radial): -2.703 | I (In-track): -0.104 | C (Cross-track): -0.442
    Collision Risk Index (CRI) 0.39
    X Position (km) 667.706 667.027
    Position Y (km) -6747.671 -6745.023
    Position Z (km) -977.694 -977.491
    Velocity X (km/s) 4.513 -0.867
    Velocity Y (km/s) 1.311 -1.163
    Velocity Z (km/s) -6.011 7.491

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4128 STARLINK-37731
    Semimajor Axis (a) 6848.856 km 6843.668 km
    Eccentricity (e) 0.000125 0.000189
    Inclination (i) 53.1598° 97.2839°
    RAAN 97.8102° 271.9554°
    Perigee Argument 95.6314° 110.7801°
    Mean Anomaly (M) 264.4829° 249.3644°
    Apogee 471.573 km 466.825 km
    Perigee 469.865 km 464.237 km
    Orbit Epoch 2026-09-04T21:02:44+0000 2026-09-03T23:58:51+0000

    STARLINK-4128 & STARLINK-37731 Collision Probability (Pc) Trend

    STARLINK-4128 & STARLINK-37731 Collision Probability (Pc) TrendNot Available

    STARLINK-4128 & STARLINK-37731 Miss Distance (Miss Distance) Trend

    STARLINK-4128 & STARLINK-37731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4128Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4128Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4128

    No nearby objects data