Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.657445E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:04:28+0800
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    1 Object 1

    AOE ID 43479
    NORAD ID 43479
    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 152 HAIYANG 1D
    Time of Closest Approach 2026-10-21T04:39:33+0000
    Collision Probability (Pc) 6.657445E-6
    Conjunction Distance (km) 1.502 km
    Relative Speed (km/s) 14.748 km/s
    Conjunction Risk Parameters R (Radial): -0.451 | I (In-track): -0.213 | C (Cross-track): 1.417
    Collision Risk Index (CRI) 0.51
    X Position (km) -1893.014 -1891.907
    Position Y (km) -826.038 -827.013
    Position Z (km) 6842.469 6842.185
    Velocity X (km/s) -5.746 4.111
    Velocity Y (km/s) -4.279 5.952
    Velocity Z (km/s) -2.102 1.851

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 152 HAIYANG 1D
    Semimajor Axis (a) 7155.804 km 7155.841 km
    Eccentricity (e) 0.000215 0.000353
    Inclination (i) 86.3991° 98.4662°
    RAAN 36.0034° 232.4896°
    Perigee Argument 94.1168° 120.0249°
    Mean Anomaly (M) 266.0274° 240.1286°
    Apogee 779.205 km 780.228 km
    Perigee 776.129 km 775.180 km
    Orbit Epoch 2026-10-20T06:23:50+0000 2026-10-20T11:33:54+0000

    IRIDIUM 152 & HAIYANG 1D Collision Probability (Pc) Trend

    IRIDIUM 152 & HAIYANG 1D Collision Probability (Pc) TrendNot Available

    IRIDIUM 152 & HAIYANG 1D Miss Distance (Miss Distance) Trend

    IRIDIUM 152 & HAIYANG 1D Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 152Miss 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 152Collision Probability Trend

    Object 1 Probability TrendNot Available

    HAIYANG 1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 152

    No nearby objects data