Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.69581E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T12:42:59+0800
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    1 Object 1

    AOE ID 4822
    NORAD ID 4822
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 59283
    NORAD ID 59283
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB YUNHAI 2-2D
    Time of Closest Approach 2026-09-14T16:19:09+0000
    Collision Probability (Pc) 1.69581E-6
    Conjunction Distance (km) 2.521 km
    Relative Speed (km/s) 14.319 km/s
    Conjunction Risk Parameters R (Radial): 0.765 | I (In-track): -0.688 | C (Cross-track): -2.301
    Collision Risk Index (CRI) 0.4
    X Position (km) -1267.638 -1269.821
    Position Y (km) -6692.311 -6692.292
    Position Z (km) 2260.155 2261.416
    Velocity X (km/s) -1.691 5.282
    Velocity Y (km/s) -2.022 0.765
    Velocity Z (km/s) -6.988 5.204

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB YUNHAI 2-2D
    Semimajor Axis (a) 7201.896 km 7176.489 km
    Eccentricity (e) 0.004974 0.000447
    Inclination (i) 99.4022° 50.0062°
    RAAN 73.7688° 250.2149°
    Perigee Argument 212.1495° 173.5989°
    Mean Anomaly (M) 147.6644° 186.4984°
    Apogee 859.582 km 801.563 km
    Perigee 787.936 km 795.141 km
    Orbit Epoch 2026-09-12T11:09:13+0000 2026-09-12T23:53:53+0000

    THORAD AGENA D DEB & YUNHAI 2-2D Collision Probability (Pc) Trend

    THORAD AGENA D DEB & YUNHAI 2-2D Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & YUNHAI 2-2D Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & YUNHAI 2-2D Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-2DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-2DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data