Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.618217E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:54:06+0800
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    1 Object 1

    AOE ID 42552
    NORAD ID 42552
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 69115
    NORAD ID 69115
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter THORAD AGENA D DEB QIANFAN-156
    Time of Closest Approach 2026-09-11T13:13:32+0000
    Collision Probability (Pc) 3.618217E-6
    Conjunction Distance (km) 1.827 km
    Relative Speed (km/s) 14.574 km/s
    Conjunction Risk Parameters R (Radial): 0.526 | I (In-track): 0.182 | C (Cross-track): 1.74
    Collision Risk Index (CRI) 0.46
    X Position (km) 5202.647 5201.999
    Position Y (km) 1327.946 1329.571
    Position Z (km) 5154.104 5153.58
    Velocity X (km/s) 5.296 -4.959
    Velocity Y (km/s) -0.359 -1.088
    Velocity Z (km/s) -5.058 5.272

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB QIANFAN-156
    Semimajor Axis (a) 7472.812 km 7446.638 km
    Eccentricity (e) 0.017694 0.000185
    Inclination (i) 99.3907° 89.0199°
    RAAN 183.7641° 13.4553°
    Perigee Argument 59.5209° 105.7334°
    Mean Anomaly (M) 302.3266° 254.4021°
    Apogee 1226.901 km 1069.878 km
    Perigee 962.449 km 1067.124 km
    Orbit Epoch 2026-09-10T00:50:19+0000 2026-09-10T22:47:22+0000

    THORAD AGENA D DEB & QIANFAN-156 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & QIANFAN-156 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & QIANFAN-156 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & QIANFAN-156 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-156Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-156Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data