Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.795E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T17:06:06+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 43071
    NORAD ID 43071
    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 138 HAIYANG 1D
    Time of Closest Approach 2026-10-30T00:39:21+0000
    Collision Probability (Pc) 3.795E-6
    Conjunction Distance (km) 1.323 km
    Relative Speed (km/s) 3.397 km/s
    Conjunction Risk Parameters R (Radial): -1.313 | I (In-track): 0.145 | C (Cross-track): -0.032
    Collision Risk Index (CRI) 0.47
    X Position (km) -667.115 -667.197
    Position Y (km) -3250.636 -3251.108
    Position Z (km) -6349.356 -6350.588
    Velocity X (km/s) -0.323 -3.579
    Velocity Y (km/s) -6.611 -5.654
    Velocity Z (km/s) 3.421 3.273

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 138 HAIYANG 1D
    Semimajor Axis (a) 7155.806 km 7155.833 km
    Eccentricity (e) 0.000218 0.000375
    Inclination (i) 86.3935° 98.4679°
    RAAN 266.6127° 238.8460°
    Perigee Argument 84.4806° 106.3011°
    Mean Anomaly (M) 275.6638° 253.8587°
    Apogee 779.228 km 780.381 km
    Perigee 776.110 km 775.011 km
    Orbit Epoch 2026-10-26T23:16:19+0000 2026-10-26T23:16:50+0000

    IRIDIUM 138 & HAIYANG 1D Collision Probability (Pc) Trend

    IRIDIUM 138 & HAIYANG 1D Collision Probability (Pc) TrendNot Available

    IRIDIUM 138 & HAIYANG 1D Miss Distance (Miss Distance) Trend

    IRIDIUM 138 & HAIYANG 1D Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 138Miss 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 138Collision Probability Trend

    Object 1 Probability TrendNot Available

    HAIYANG 1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 138

    No nearby objects data