Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.278447E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:14:27+0800
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    1 Object 1

    AOE ID 9681
    NORAD ID 9681
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43255
    NORAD ID 43255
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 DEB IRIDIUM 148
    Time of Closest Approach 2026-10-28T18:20:56+0000
    Collision Probability (Pc) 1.278447E-6
    Conjunction Distance (km) 2.922 km
    Relative Speed (km/s) 12.898 km/s
    Conjunction Risk Parameters R (Radial): -2.858 | I (In-track): -0.314 | C (Cross-track): 0.517
    Collision Risk Index (CRI) 0.37
    X Position (km) -151.314 -150.993
    Position Y (km) -981.735 -981.885
    Position Z (km) 7080.37 7077.47
    Velocity X (km/s) -7.407 4.34
    Velocity Y (km/s) 0.775 6.005
    Velocity Z (km/s) -0.074 0.924

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB IRIDIUM 148
    Semimajor Axis (a) 7125.879 km 7155.805 km
    Eccentricity (e) 0.005365 0.000222
    Inclination (i) 97.9711° 86.3974°
    RAAN 352.5305° 235.3824°
    Perigee Argument 240.6486° 83.1164°
    Mean Anomaly (M) 118.9341° 277.0284°
    Apogee 785.971 km 779.259 km
    Perigee 709.513 km 776.077 km
    Orbit Epoch 2026-10-27T01:59:41+0000 2026-10-26T20:45:15+0000

    DELTA 1 DEB & IRIDIUM 148 Collision Probability (Pc) Trend

    DELTA 1 DEB & IRIDIUM 148 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & IRIDIUM 148 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & IRIDIUM 148 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data