Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.538126E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T07:07:26+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 66757
    NORAD ID 66757
    Object Type PAYLOAD
    Country
    PL PL

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB PIAST-S2
    Time of Closest Approach 2026-10-18T23:46:25+0000
    Collision Probability (Pc) 1.538126E-6
    Conjunction Distance (km) 2.737 km
    Relative Speed (km/s) 15.214 km/s
    Conjunction Risk Parameters R (Radial): 0.729 | I (In-track): -0.077 | C (Cross-track): -2.636
    Collision Risk Index (CRI) 0.39
    X Position (km) 6863.588 6863.041
    Position Y (km) 492.581 489.91
    Position Z (km) -187.345 -187.588
    Velocity X (km/s) -0.234 0.267
    Velocity Y (km/s) 0.474 -0.965
    Velocity Z (km/s) -7.592 7.545

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB PIAST-S2
    Semimajor Axis (a) 6879.470 km 6879.132 km
    Eccentricity (e) 0.000204 0.000099
    Inclination (i) 86.3113° 97.4099°
    RAAN 184.5037° 3.1031°
    Perigee Argument 345.6301° 166.8552°
    Mean Anomaly (M) 28.9719° 193.2710°
    Apogee 502.734 km 501.679 km
    Perigee 499.932 km 500.311 km
    Orbit Epoch 2026-10-17T23:21:58+0000 2026-10-18T04:50:28+0000

    IRIDIUM 33 DEB & PIAST-S2 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & PIAST-S2 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & PIAST-S2 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & PIAST-S2 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PIAST-S2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PIAST-S2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data