Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.184843E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:20:11+0800
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    1 Object 1

    AOE ID 41921
    NORAD ID 41921
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 45721
    NORAD ID 45721
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 105 HAIYANG 1D
    Time of Closest Approach 2026-09-18T01:57:28+0000
    Collision Probability (Pc) 2.184843E-6
    Conjunction Distance (km) 2.244 km
    Relative Speed (km/s) 14.9 km/s
    Conjunction Risk Parameters R (Radial): 1.948 | I (In-track): -0.059 | C (Cross-track): 1.113
    Collision Risk Index (CRI) 0.42
    X Position (km) 6013.935 6012.665
    Position Y (km) 1726.022 1724.506
    Position Z (km) -3486.488 -3485.428
    Velocity X (km/s) 3.328 -3.091
    Velocity Y (km/s) 1.512 -2.193
    Velocity Z (km/s) 6.5 -6.425

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 105 HAIYANG 1D
    Semimajor Axis (a) 7155.805 km 7155.872 km
    Eccentricity (e) 0.000230 0.000159
    Inclination (i) 86.4009° 98.4607°
    RAAN 19.1863° 198.3320°
    Perigee Argument 98.4795° 227.2892°
    Mean Anomaly (M) 261.6662° 132.8159°
    Apogee 779.315 km 778.874 km
    Perigee 776.021 km 776.596 km
    Orbit Epoch 2026-09-15T07:06:57+0000 2026-09-15T14:22:53+0000

    IRIDIUM 105 & HAIYANG 1D Collision Probability (Pc) Trend

    IRIDIUM 105 & HAIYANG 1D Collision Probability (Pc) TrendNot Available

    IRIDIUM 105 & HAIYANG 1D Miss Distance (Miss Distance) Trend

    IRIDIUM 105 & HAIYANG 1D Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 105Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HAIYANG 1DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 105Collision Probability Trend

    Object 1 Probability TrendNot Available

    HAIYANG 1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 105

    No nearby objects data