Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.372635E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T09:05:18+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25078
    NORAD ID 25078
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 26198
    NORAD ID 26198
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 44 CZ-4 DEB
    Time of Closest Approach 2026-11-05T10:20:59+0000
    Collision Probability (Pc) 6.372635E-7
    Conjunction Distance (km) 2.228 km
    Relative Speed (km/s) 1.574 km/s
    Conjunction Risk Parameters R (Radial): 1.314 | I (In-track): -1.783 | C (Cross-track): 0.234
    Collision Risk Index (CRI) 0.31
    X Position (km) -7074.662 -7075.912
    Position Y (km) -922.543 -922.827
    Position Z (km) 151.253 153.075
    Velocity X (km/s) -0.106 -0.328
    Velocity Y (km/s) -0.487 1.068
    Velocity Z (km/s) -7.459 -7.368

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 44 CZ-4 DEB
    Semimajor Axis (a) 7134.540 km 7091.607 km
    Eccentricity (e) 0.000328 0.006717
    Inclination (i) 86.3992° 98.5030°
    RAAN 8.2827° 5.3957°
    Perigee Argument 127.7353° 29.3612°
    Mean Anomaly (M) 232.4144° 331.1332°
    Apogee 758.744 km 761.106 km
    Perigee 754.062 km 665.834 km
    Orbit Epoch 2026-11-03T14:10:54+0000 2026-11-03T14:35:06+0000

    IRIDIUM 44 & CZ-4 DEB Collision Probability (Pc) Trend

    IRIDIUM 44 & CZ-4 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 44 & CZ-4 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 44 & CZ-4 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 44Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 44Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 44

    No nearby objects data