Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.281323E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:16:15+0800
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    1 Object 1

    AOE ID 52489
    NORAD ID 52489
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53293
    NORAD ID 53293
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3923 STARLINK-4148
    Time of Closest Approach 2026-09-12T20:05:38+0000
    Collision Probability (Pc) 1.281323E-6
    Conjunction Distance (km) 2.639 km
    Relative Speed (km/s) 10.103 km/s
    Conjunction Risk Parameters R (Radial): 2.511 | I (In-track): 0.603 | C (Cross-track): 0.548
    Collision Risk Index (CRI) 0.37
    X Position (km) -1380.462 -1380.742
    Position Y (km) -5304.189 -5302.033
    Position Z (km) -4105.81 -4104.314
    Velocity X (km/s) 4.767 6.293
    Velocity Y (km/s) -4.368 1.489
    Velocity Z (km/s) 4.044 -4.045

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3923 STARLINK-4148
    Semimajor Axis (a) 6843.354 km 6840.859 km
    Eccentricity (e) 0.000118 0.000124
    Inclination (i) 53.1599° 53.1612°
    RAAN 295.6261° 46.6078°
    Perigee Argument 87.7565° 88.8727°
    Mean Anomaly (M) 272.3573° 271.2417°
    Apogee 466.028 km 463.569 km
    Perigee 464.406 km 461.875 km
    Orbit Epoch 2026-09-11T13:01:22+0000 2026-09-11T16:31:38+0000

    STARLINK-3923 & STARLINK-4148 Collision Probability (Pc) Trend

    STARLINK-3923 & STARLINK-4148 Collision Probability (Pc) TrendNot Available

    STARLINK-3923 & STARLINK-4148 Miss Distance (Miss Distance) Trend

    STARLINK-3923 & STARLINK-4148 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3923Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3923Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3923

    No nearby objects data