Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.412774E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:22:02+0800
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    1 Object 1

    AOE ID 52648
    NORAD ID 52648
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54773
    NORAD ID 54773
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3854 STARLINK-5453
    Time of Closest Approach 2026-09-04T19:32:48+0000
    Collision Probability (Pc) 1.412774E-6
    Conjunction Distance (km) 2.617 km
    Relative Speed (km/s) 11.682 km/s
    Conjunction Risk Parameters R (Radial): 2.398 | I (In-track): 0.675 | C (Cross-track): 0.803
    Collision Risk Index (CRI) 0.38
    X Position (km) -5417.317 -5414.867
    Position Y (km) 3366.171 3365.882
    Position Z (km) -2490.576 -2489.703
    Velocity X (km/s) -4.392 -0.792
    Velocity Y (km/s) -3.052 -5.29
    Velocity Z (km/s) 5.442 -5.443

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3854 STARLINK-5453
    Semimajor Axis (a) 6843.388 km 6840.873 km
    Eccentricity (e) 0.000130 0.000118
    Inclination (i) 53.1600° 53.1605°
    RAAN 168.1883° 316.7692°
    Perigee Argument 88.9953° 71.6479°
    Mean Anomaly (M) 271.1198° 288.4651°
    Apogee 466.141 km 463.542 km
    Perigee 464.361 km 461.930 km
    Orbit Epoch 2026-09-04T04:01:23+0000 2026-09-03T14:30:36+0000

    STARLINK-3854 & STARLINK-5453 Collision Probability (Pc) Trend

    STARLINK-3854 & STARLINK-5453 Collision Probability (Pc) TrendNot Available

    STARLINK-3854 & STARLINK-5453 Miss Distance (Miss Distance) Trend

    STARLINK-3854 & STARLINK-5453 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3854Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5453Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3854Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5453Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3854

    No nearby objects data