Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.489029E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T12:38:51+0800
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    1 Object 1

    AOE ID 4249
    NORAD ID 4249
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name NEOSSAT
    AOE ID 39089
    NORAD ID 39089
    Object Type PAYLOAD
    Country
    CA CA

    Conjunction Constraints

    Parameter THORAD AGENA D DEB NEOSSAT
    Time of Closest Approach 2026-11-01T13:44:05+0000
    Collision Probability (Pc) 1.489029E-6
    Conjunction Distance (km) 2.309 km
    Relative Speed (km/s) 8.716 km/s
    Conjunction Risk Parameters R (Radial): 0.683 | I (In-track): -1.785 | C (Cross-track): -1.294
    Collision Risk Index (CRI) 0.38
    X Position (km) -782.416 -782.394
    Position Y (km) 3008.982 3011.27
    Position Z (km) 6436.227 6435.918
    Velocity X (km/s) -4.631 4.024
    Velocity Y (km/s) -5.52 -5.497
    Velocity Z (km/s) 2.029 3.048

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB NEOSSAT
    Semimajor Axis (a) 7191.842 km 7150.319 km
    Eccentricity (e) 0.005484 0.001069
    Inclination (i) 70.0622° 98.4220°
    RAAN 57.7744° 121.7865°
    Perigee Argument 54.8425° 193.1752°
    Mean Anomaly (M) 305.7815° 166.9157°
    Apogee 853.143 km 779.826 km
    Perigee 774.267 km 764.538 km
    Orbit Epoch 2026-10-31T17:09:26+0000 2026-10-31T22:22:42+0000

    THORAD AGENA D DEB & NEOSSAT Collision Probability (Pc) Trend

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

    THORAD AGENA D DEB & NEOSSAT Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & NEOSSAT Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NEOSSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NEOSSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data