Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.71383E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:04:38+0800
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    1 Object 1

    AOE ID 18513
    NORAD ID 18513
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 24870
    NORAD ID 24870
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 17
    Time of Closest Approach 2026-10-28T23:05:58+0000
    Collision Probability (Pc) 2.71383E-6
    Conjunction Distance (km) 2.039 km
    Relative Speed (km/s) 14.717 km/s
    Conjunction Risk Parameters R (Radial): 0.847 | I (In-track): -0.348 | C (Cross-track): -1.821
    Collision Risk Index (CRI) 0.44
    X Position (km) -2177.634 -2176.846
    Position Y (km) -541.631 -543.211
    Position Z (km) 6770.696 6771.715
    Velocity X (km/s) 4.847 -6.385
    Velocity Y (km/s) 5.351 -3.132
    Velocity Z (km/s) 1.997 -2.3

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 17
    Semimajor Axis (a) 7172.816 km 7142.393 km
    Eccentricity (e) 0.004928 0.000273
    Inclination (i) 99.7224° 86.3994°
    RAAN 223.2634° 25.7069°
    Perigee Argument 57.8183° 131.2469°
    Mean Anomaly (M) 93.1952° 228.8965°
    Apogee 830.025 km 766.204 km
    Perigee 759.333 km 762.308 km
    Orbit Epoch 2026-10-27T07:07:54+0000 2026-10-27T04:51:22+0000

    THORAD AGENA D DEB & IRIDIUM 17 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 17 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 17 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 17 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data