Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.483527E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:40:53+0800
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    1 Object 1

    AOE ID 44390
    NORAD ID 44390
    Object Type PAYLOAD
    Country
    FI FI
    VS

    2 Object 2

    AOE ID 51977
    NORAD ID 51977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ICEYE-X4 STARLINK-3660
    Time of Closest Approach 2026-09-12T19:58:44+0000
    Collision Probability (Pc) 2.483527E-6
    Conjunction Distance (km) 1.82 km
    Relative Speed (km/s) 7.975 km/s
    Conjunction Risk Parameters R (Radial): 1.772 | I (In-track): 0.351 | C (Cross-track): -0.219
    Collision Risk Index (CRI) 0.43
    X Position (km) 1520.558 1521.023
    Position Y (km) -4941.437 -4942.431
    Position Z (km) 4479.565 4481.016
    Velocity X (km/s) -2.77 4.894
    Velocity Y (km/s) 4.297 4.695
    Velocity Z (km/s) 5.675 3.507

    Orbital Parameters 国际轨道数据源

    Parameter ICEYE-X4 STARLINK-3660
    Semimajor Axis (a) 6851.015 km 6848.862 km
    Eccentricity (e) 0.001266 0.000136
    Inclination (i) 97.8701° 53.1589°
    RAAN 291.9003° 258.4860°
    Perigee Argument 11.4743° 84.6411°
    Mean Anomaly (M) 348.6782° 275.4745°
    Apogee 481.549 km 471.654 km
    Perigee 464.207 km 469.796 km
    Orbit Epoch 2026-09-10T20:44:29+0000 2026-09-10T06:40:03+0000

    ICEYE-X4 & STARLINK-3660 Collision Probability (Pc) Trend

    ICEYE-X4 & STARLINK-3660 Collision Probability (Pc) TrendNot Available

    ICEYE-X4 & STARLINK-3660 Miss Distance (Miss Distance) Trend

    ICEYE-X4 & STARLINK-3660 Miss Distance (Miss Distance) TrendNot Available

    ICEYE-X4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3660Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICEYE-X4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3660Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICEYE-X4

    No nearby objects data