Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.319968E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:30:51+0800
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    1 Object 1

    AOE ID 53421
    NORAD ID 53421
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68033
    NORAD ID 68033
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4545 STARLINK-36947
    Time of Closest Approach 2026-09-15T04:06:20+0000
    Collision Probability (Pc) 1.319968E-6
    Conjunction Distance (km) 2.898 km
    Relative Speed (km/s) 13.388 km/s
    Conjunction Risk Parameters R (Radial): -2.739 | I (In-track): 0.45 | C (Cross-track): 0.829
    Collision Risk Index (CRI) 0.37
    X Position (km) -3651.223 -3649.738
    Position Y (km) -2491.7 -2491.561
    Position Z (km) -5238.217 -5235.733
    Velocity X (km/s) 5.762 -5.559
    Velocity Y (km/s) -4.648 -1.981
    Velocity Z (km/s) -1.807 4.821

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4545 STARLINK-36947
    Semimajor Axis (a) 6848.855 km 6843.688 km
    Eccentricity (e) 0.000121 0.000224
    Inclination (i) 53.1614° 97.2851°
    RAAN 343.0975° 202.9096°
    Perigee Argument 118.1905° 92.3940°
    Mean Anomaly (M) 241.9219° 267.7559°
    Apogee 471.544 km 467.083 km
    Perigee 469.892 km 464.019 km
    Orbit Epoch 2026-09-12T17:03:52+0000 2026-09-12T10:33:01+0000

    STARLINK-4545 & STARLINK-36947 Collision Probability (Pc) Trend

    STARLINK-4545 & STARLINK-36947 Collision Probability (Pc) TrendNot Available

    STARLINK-4545 & STARLINK-36947 Miss Distance (Miss Distance) Trend

    STARLINK-4545 & STARLINK-36947 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4545Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36947Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4545Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36947Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4545

    No nearby objects data