Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.455578E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:20:09+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 43572
    NORAD ID 43572
    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 165 HAIYANG 1D
    Time of Closest Approach 2026-09-16T20:34:41+0000
    Collision Probability (Pc) 1.455578E-6
    Conjunction Distance (km) 2.822 km
    Relative Speed (km/s) 14.915 km/s
    Conjunction Risk Parameters R (Radial): -1.144 | I (In-track): 0.1 | C (Cross-track): 2.577
    Collision Risk Index (CRI) 0.38
    X Position (km) -6661.988 -6662.216
    Position Y (km) -2123.524 -2126.286
    Position Z (km) 1526.397 1526.924
    Velocity X (km/s) -1.378 1.166
    Velocity Y (km/s) -0.942 1.551
    Velocity Z (km/s) -7.276 7.207

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 165 HAIYANG 1D
    Semimajor Axis (a) 7155.806 km 7155.872 km
    Eccentricity (e) 0.000209 0.000159
    Inclination (i) 86.4008° 98.4607°
    RAAN 19.4127° 198.3320°
    Perigee Argument 93.0836° 227.2892°
    Mean Anomaly (M) 267.0599° 132.8159°
    Apogee 779.165 km 778.874 km
    Perigee 776.173 km 776.596 km
    Orbit Epoch 2026-09-14T14:13:02+0000 2026-09-15T14:22:53+0000

    IRIDIUM 165 & HAIYANG 1D Collision Probability (Pc) Trend

    IRIDIUM 165 & HAIYANG 1D Collision Probability (Pc) TrendNot Available

    IRIDIUM 165 & HAIYANG 1D Miss Distance (Miss Distance) Trend

    IRIDIUM 165 & HAIYANG 1D Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 165Miss 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 165Collision Probability Trend

    Object 1 Probability TrendNot Available

    HAIYANG 1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 165

    No nearby objects data