Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.071256E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:06:02+0800
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    1 Object 1

    AOE ID 4686
    NORAD ID 4686
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 62249
    NORAD ID 62249
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-48
    Time of Closest Approach 2026-09-12T13:01:57+0000
    Collision Probability (Pc) 2.071256E-6
    Conjunction Distance (km) 1.455 km
    Relative Speed (km/s) 2.033 km/s
    Conjunction Risk Parameters R (Radial): -0.875 | I (In-track): 1.152 | C (Cross-track): -0.154
    Collision Risk Index (CRI) 0.41
    X Position (km) -5109.545 -5109.32
    Position Y (km) -1156.398 -1156.476
    Position Z (km) 5266.063 5267.498
    Velocity X (km/s) -5.295 -5.037
    Velocity Y (km/s) 0.687 -1.323
    Velocity Z (km/s) -5.008 -5.162

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-48
    Semimajor Axis (a) 7420.904 km 7446.639 km
    Eccentricity (e) 0.003518 0.001880
    Inclination (i) 100.2046° 89.0154°
    RAAN 358.4975° 13.9093°
    Perigee Argument 258.4991° 131.3808°
    Mean Anomaly (M) 229.6165° 228.8964°
    Apogee 1068.873 km 1082.505 km
    Perigee 1016.661 km 1054.499 km
    Orbit Epoch 2026-09-08T20:35:47+0000 2026-09-10T21:15:50+0000

    THORAD AGENA D DEB & QIANFAN-48 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-48 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-48 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-48 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-48Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-48Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data