Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.344687E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T15:05:50+0800
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    1 Object 1

    AOE ID 43930
    NORAD ID 43930
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 48551
    NORAD ID 48551
    Object Type DEBRIS
    Country
    JP JP

    Conjunction Constraints

    Parameter IRIDIUM 170 H-2A DEB *
    Time of Closest Approach 2026-09-10T08:13:32+0000
    Collision Probability (Pc) 6.344687E-6
    Conjunction Distance (km) 1.528 km
    Relative Speed (km/s) 14.897 km/s
    Conjunction Risk Parameters R (Radial): -0.196 | I (In-track): -0.239 | C (Cross-track): -1.495
    Collision Risk Index (CRI) 0.51
    X Position (km) 1672.492 1673.614
    Position Y (km) -969.487 -968.509
    Position Z (km) 6752.117 6751.775
    Velocity X (km/s) -5.308 3.536
    Velocity Y (km/s) 4.948 -6.418
    Velocity Z (km/s) 2.02 -1.788

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 170 H-2A DEB *
    Semimajor Axis (a) 7032.021 km 7051.264 km
    Eccentricity (e) 0.000247 0.003068
    Inclination (i) 86.6109° 97.9336°
    RAAN 318.1314° 120.0590°
    Perigee Argument 95.1097° 92.1132°
    Mean Anomaly (M) 265.0402° 268.3586°
    Apogee 655.620 km 694.760 km
    Perigee 652.148 km 651.494 km
    Orbit Epoch 2026-09-09T22:06:06+0000 2026-09-09T13:44:22+0000

    IRIDIUM 170 & H-2A DEB * Collision Probability (Pc) Trend

    IRIDIUM 170 & H-2A DEB * Collision Probability (Pc) TrendNot Available

    IRIDIUM 170 & H-2A DEB * Miss Distance (Miss Distance) Trend

    IRIDIUM 170 & H-2A DEB * Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 170Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    H-2A DEB *Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 170Collision Probability Trend

    Object 1 Probability TrendNot Available

    H-2A DEB *Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 170

    No nearby objects data