Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.741384E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:29:31+0800
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    1 Object 1

    AOE ID 33960
    NORAD ID 33960
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 49143
    NORAD ID 49143
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB STARLINK-3109
    Time of Closest Approach 2026-10-21T17:31:51+0000
    Collision Probability (Pc) 1.741384E-6
    Conjunction Distance (km) 2.171 km
    Relative Speed (km/s) 9.116 km/s
    Conjunction Risk Parameters R (Radial): 2.136 | I (In-track): 0.305 | C (Cross-track): -0.237
    Collision Risk Index (CRI) 0.4
    X Position (km) -2080.497 -2081.071
    Position Y (km) 1168.667 1168.656
    Position Z (km) 6522.357 6524.45
    Velocity X (km/s) 5.385 -3.15
    Velocity Y (km/s) -4.678 -6.882
    Velocity Z (km/s) 2.55 0.227

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB STARLINK-3109
    Semimajor Axis (a) 6954.441 km 6952.706 km
    Eccentricity (e) 0.000362 0.000287
    Inclination (i) 86.2548° 69.9998°
    RAAN 140.7843° 68.4294°
    Perigee Argument 80.3728° 266.6741°
    Mean Anomaly (M) 292.2626° 93.4089°
    Apogee 578.823 km 576.568 km
    Perigee 573.785 km 572.570 km
    Orbit Epoch 2026-10-20T20:25:05+0000 2026-10-20T18:41:43+0000

    IRIDIUM 33 DEB & STARLINK-3109 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & STARLINK-3109 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & STARLINK-3109 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & STARLINK-3109 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data