Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.778922E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T13:12:35+0800
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    1 Object 1

    AOE ID 4912
    NORAD ID 4912
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43078
    NORAD ID 43078
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 153
    Time of Closest Approach 2026-10-27T06:46:02+0000
    Collision Probability (Pc) 4.778922E-6
    Conjunction Distance (km) 1.665 km
    Relative Speed (km/s) 14.641 km/s
    Conjunction Risk Parameters R (Radial): -1.094 | I (In-track): 0.226 | C (Cross-track): -1.233
    Collision Risk Index (CRI) 0.49
    X Position (km) -1576.636 -1577.534
    Position Y (km) -1518.806 -1518.071
    Position Z (km) -6823.013 -6821.82
    Velocity X (km/s) 1.399 -3.938
    Velocity Y (km/s) 7.081 -5.917
    Velocity Z (km/s) -1.884 2.229

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 153
    Semimajor Axis (a) 7179.549 km 7155.808 km
    Eccentricity (e) 0.003547 0.000210
    Inclination (i) 99.7312° 86.3978°
    RAAN 75.8175° 235.3884°
    Perigee Argument 290.0362° 80.4876°
    Mean Anomaly (M) 69.6998° 279.6557°
    Apogee 826.876 km 779.174 km
    Perigee 775.948 km 776.168 km
    Orbit Epoch 2026-10-26T21:09:36+0000 2026-10-26T21:03:31+0000

    THORAD AGENA D DEB & IRIDIUM 153 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 153 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 153 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 153 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 153Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 153Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data