Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.637434E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T21:55:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 43071
    NORAD ID 43071
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 138
    Time of Closest Approach 2026-10-27T22:08:06+0000
    Collision Probability (Pc) 1.637434E-6
    Conjunction Distance (km) 2.606 km
    Relative Speed (km/s) 14.849 km/s
    Conjunction Risk Parameters R (Radial): 2.28 | I (In-track): -0.114 | C (Cross-track): -1.258
    Collision Risk Index (CRI) 0.39
    X Position (km) -104.303 -105.576
    Position Y (km) 4047.698 4049.174
    Position Z (km) -5907.659 -5909.387
    Velocity X (km/s) 2.081 -0.67
    Velocity Y (km/s) 5.935 -6.126
    Velocity Z (km/s) 4.023 -4.188

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 138
    Semimajor Axis (a) 7179.545 km 7155.806 km
    Eccentricity (e) 0.003544 0.000218
    Inclination (i) 99.7321° 86.3935°
    RAAN 76.2860° 266.6127°
    Perigee Argument 288.8605° 84.4806°
    Mean Anomaly (M) 70.8731° 275.6638°
    Apogee 826.853 km 779.228 km
    Perigee 775.963 km 776.110 km
    Orbit Epoch 2026-10-27T07:15:21+0000 2026-10-26T23:16:19+0000

    THORAD AGENA D DEB & IRIDIUM 138 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 138 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 138 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 138 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 138Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 138Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data