Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.599047E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:05:03+0800
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    1 Object 1

    AOE ID 4650
    NORAD ID 4650
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 42808
    NORAD ID 42808
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 117
    Time of Closest Approach 2026-10-30T00:01:13+0000
    Collision Probability (Pc) 2.599047E-6
    Conjunction Distance (km) 2.061 km
    Relative Speed (km/s) 14.321 km/s
    Conjunction Risk Parameters R (Radial): 1.587 | I (In-track): -0.397 | C (Cross-track): 1.254
    Collision Risk Index (CRI) 0.43
    X Position (km) 1088.663 1090.186
    Position Y (km) -1156.814 -1156.819
    Position Z (km) 6966.676 6968.065
    Velocity X (km/s) -1.014 -3.25
    Velocity Y (km/s) -7.366 6.531
    Velocity Z (km/s) -1.042 1.59

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 117
    Semimajor Axis (a) 7233.131 km 7155.804 km
    Eccentricity (e) 0.011437 0.000220
    Inclination (i) 99.8595° 86.3920°
    RAAN 81.2819° 298.0979°
    Perigee Argument 89.8544° 91.1246°
    Mean Anomaly (M) 271.5730° 269.0202°
    Apogee 937.723 km 779.244 km
    Perigee 772.265 km 776.090 km
    Orbit Epoch 2026-10-27T22:13:15+0000 2026-10-27T23:06:03+0000

    THORAD AGENA D DEB & IRIDIUM 117 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 117 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 117 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 117 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 117Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 117Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data