Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.654085E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:07:18+0800
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    1 Object 1

    Name THEA
    AOE ID 43796
    NORAD ID 43796
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name NAOS
    AOE ID 65317
    NORAD ID 65317
    Object Type PAYLOAD
    Country
    LU LU

    Conjunction Constraints

    Parameter THEA NAOS
    Time of Closest Approach 2026-10-23T05:00:04+0000
    Collision Probability (Pc) 2.654085E-7
    Conjunction Distance (km) 2.882 km
    Relative Speed (km/s) 0.234 km/s
    Conjunction Risk Parameters R (Radial): 2.49 | I (In-track): 1.451 | C (Cross-track): -0.025
    Collision Risk Index (CRI) 0.23
    X Position (km) -794.134 -795.855
    Position Y (km) -985.445 -985.941
    Position Z (km) 6699.702 6701.958
    Velocity X (km/s) -7.528 -7.494
    Velocity Y (km/s) -0.848 -1.077
    Velocity Z (km/s) -1.02 -1.044

    Orbital Parameters 国际轨道数据源

    Parameter THEA NAOS
    Semimajor Axis (a) 6826.939 km 6828.950 km
    Eccentricity (e) 0.000670 0.000278
    Inclination (i) 97.4313° 97.1928°
    RAAN 4.3791° 6.4804°
    Perigee Argument 185.0234° 42.0066°
    Mean Anomaly (M) 175.0945° 318.1392°
    Apogee 453.380 km 452.711 km
    Perigee 444.224 km 448.915 km
    Orbit Epoch 2026-10-20T04:48:12+0000 2026-10-20T11:00:48+0000

    THEA & NAOS Collision Probability (Pc) Trend

    THEA & NAOS Collision Probability (Pc) TrendNot Available

    THEA & NAOS Miss Distance (Miss Distance) Trend

    THEA & NAOS Miss Distance (Miss Distance) TrendNot Available

    THEAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NAOSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THEACollision Probability Trend

    Object 1 Probability TrendNot Available

    NAOSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THEA

    No nearby objects data