Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.434927E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T08:56:43+0800
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    1 Object 1

    AOE ID 35484
    NORAD ID 35484
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name LUNA-1
    AOE ID 66777
    NORAD ID 66777
    Object Type PAYLOAD
    Country
    TR TR

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB LUNA-1
    Time of Closest Approach 2026-10-18T04:10:32+0000
    Collision Probability (Pc) 1.434927E-6
    Conjunction Distance (km) 2.855 km
    Relative Speed (km/s) 14.961 km/s
    Conjunction Risk Parameters R (Radial): -2.682 | I (In-track): -0.176 | C (Cross-track): -0.96
    Collision Risk Index (CRI) 0.38
    X Position (km) 1082.7 1083.366
    Position Y (km) 958.121 957.554
    Position Z (km) -6722.591 -6725.308
    Velocity X (km/s) -6.828 7.485
    Velocity Y (km/s) -2.963 0.385
    Velocity Z (km/s) -1.519 1.26

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB LUNA-1
    Semimajor Axis (a) 6858.859 km 6869.959 km
    Eccentricity (e) 0.001652 0.000291
    Inclination (i) 86.3434° 97.4140°
    RAAN 205.0358° 2.1954°
    Perigee Argument 69.7692° 133.0595°
    Mean Anomaly (M) 290.5330° 227.0887°
    Apogee 492.053 km 493.822 km
    Perigee 469.391 km 489.822 km
    Orbit Epoch 2026-10-16T11:46:06+0000 2026-10-16T03:41:58+0000

    IRIDIUM 33 DEB & LUNA-1 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & LUNA-1 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & LUNA-1 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & LUNA-1 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LUNA-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LUNA-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data