Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.237178E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T13:15:42+0800
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    1 Object 1

    AOE ID 18504
    NORAD ID 18504
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 54052
    NORAD ID 54052
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 DEB * STARLINK-5189
    Time of Closest Approach 2026-09-10T07:18:47+0000
    Collision Probability (Pc) 3.237178E-6
    Conjunction Distance (km) 1.87 km
    Relative Speed (km/s) 13.559 km/s
    Conjunction Risk Parameters R (Radial): 1.869 | I (In-track): -0.008 | C (Cross-track): 0.043
    Collision Risk Index (CRI) 0.45
    X Position (km) 6766.862 6768.695
    Position Y (km) 901.552 901.753
    Position Z (km) 1105.769 1106.072
    Velocity X (km/s) -1.449 0.356
    Velocity Y (km/s) 1.941 4.699
    Velocity Z (km/s) 7.196 -5.955

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 DEB * STARLINK-5189
    Semimajor Axis (a) 6912.118 km 6917.898 km
    Eccentricity (e) 0.000730 0.000132
    Inclination (i) 74.0246° 53.1602°
    RAAN 6.2776° 203.6376°
    Perigee Argument 126.2222° 73.0559°
    Mean Anomaly (M) 296.9868° 287.0577°
    Apogee 539.027 km 540.675 km
    Perigee 528.935 km 538.847 km
    Orbit Epoch 2026-09-09T15:39:21+0000 2026-09-08T06:52:39+0000

    SL-8 DEB * & STARLINK-5189 Collision Probability (Pc) Trend

    SL-8 DEB * & STARLINK-5189 Collision Probability (Pc) TrendNot Available

    SL-8 DEB * & STARLINK-5189 Miss Distance (Miss Distance) Trend

    SL-8 DEB * & STARLINK-5189 Miss Distance (Miss Distance) TrendNot Available

    SL-8 DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5189Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5189Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 DEB *

    No nearby objects data