Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.99748E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T07:08:20+0800
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    1 Object 1

    AOE ID 46971
    NORAD ID 46971
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66737
    NORAD ID 66737
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB FLOCK 4H 34
    Time of Closest Approach 2026-10-19T20:59:25+0000
    Collision Probability (Pc) 1.99748E-6
    Conjunction Distance (km) 2.357 km
    Relative Speed (km/s) 15.212 km/s
    Conjunction Risk Parameters R (Radial): 0.168 | I (In-track): -0.084 | C (Cross-track): 2.349
    Collision Risk Index (CRI) 0.41
    X Position (km) -6494.332 -6494.345
    Position Y (km) -258.822 -256.482
    Position Z (km) -2264.288 -2264.009
    Velocity X (km/s) -2.47 2.432
    Velocity Y (km/s) -0.617 1.136
    Velocity Z (km/s) 7.172 -7.121

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB FLOCK 4H 34
    Semimajor Axis (a) 6879.470 km 6878.402 km
    Eccentricity (e) 0.000204 0.000163
    Inclination (i) 86.3113° 97.4125°
    RAAN 184.5037° 3.2055°
    Perigee Argument 345.6301° 192.9915°
    Mean Anomaly (M) 28.9719° 167.1279°
    Apogee 502.734 km 501.388 km
    Perigee 499.932 km 499.142 km
    Orbit Epoch 2026-10-17T23:21:58+0000 2026-10-18T04:40:01+0000

    IRIDIUM 33 DEB & FLOCK 4H 34 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & FLOCK 4H 34 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & FLOCK 4H 34 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & FLOCK 4H 34 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 34Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 34Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data