Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.660267E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:47:45+0800
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    1 Object 1

    AOE ID 39209
    NORAD ID 39209
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 40254
    NORAD ID 40254
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter PAYLOAD B IRIDIUM 47 DEB
    Time of Closest Approach 2026-10-18T20:59:59+0000
    Collision Probability (Pc) 2.660267E-6
    Conjunction Distance (km) 2.039 km
    Relative Speed (km/s) 14.24 km/s
    Conjunction Risk Parameters R (Radial): 1.031 | I (In-track): -0.548 | C (Cross-track): 1.671
    Collision Risk Index (CRI) 0.43
    X Position (km) 1106.337 1104.977
    Position Y (km) 20.938 19.663
    Position Z (km) -6947.567 -6946.743
    Velocity X (km/s) 3.441 -6.687
    Velocity Y (km/s) -6.66 3.225
    Velocity Z (km/s) 0.528 -1.051

    Orbital Parameters 国际轨道数据源

    Parameter PAYLOAD B IRIDIUM 47 DEB
    Semimajor Axis (a) 7023.949 km 6990.945 km
    Eccentricity (e) 0.000547 0.005211
    Inclination (i) 98.0849° 85.9850°
    RAAN 296.4895° 155.7298°
    Perigee Argument 99.5145° 82.4904°
    Mean Anomaly (M) 260.6682° 278.2235°
    Apogee 649.657 km 649.238 km
    Perigee 641.967 km 576.378 km
    Orbit Epoch 2026-10-17T11:11:40+0000 2026-10-17T01:47:16+0000

    PAYLOAD B & IRIDIUM 47 DEB Collision Probability (Pc) Trend

    PAYLOAD B & IRIDIUM 47 DEB Collision Probability (Pc) TrendNot Available

    PAYLOAD B & IRIDIUM 47 DEB Miss Distance (Miss Distance) Trend

    PAYLOAD B & IRIDIUM 47 DEB Miss Distance (Miss Distance) TrendNot Available

    PAYLOAD BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 47 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PAYLOAD BCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 47 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PAYLOAD B

    No nearby objects data