Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.183022E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:58:02+0800
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    1 Object 1

    AOE ID 12171
    NORAD ID 12171
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 69802
    NORAD ID 69802
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-203
    Time of Closest Approach 2026-09-06T19:03:11+0000
    Collision Probability (Pc) 3.183022E-6
    Conjunction Distance (km) 1.75 km
    Relative Speed (km/s) 9.906 km/s
    Conjunction Risk Parameters R (Radial): 1.463 | I (In-track): 0.718 | C (Cross-track): -0.638
    Collision Risk Index (CRI) 0.45
    X Position (km) 1159.453 1160.306
    Position Y (km) -267.837 -268.615
    Position Z (km) -7142.529 -7143.844
    Velocity X (km/s) -0.115 7.255
    Velocity Y (km/s) -7.417 -0.87
    Velocity Z (km/s) 0.249 1.217

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-203
    Semimajor Axis (a) 7257.771 km 7233.000 km
    Eccentricity (e) 0.003586 0.000816
    Inclination (i) 99.2353° 88.9977°
    RAAN 267.5122° 353.2057°
    Perigee Argument 254.9412° 35.1156°
    Mean Anomaly (M) 224.7733° 325.0566°
    Apogee 905.664 km 860.766 km
    Perigee 853.604 km 848.960 km
    Orbit Epoch 2026-09-04T21:51:53+0000 2026-09-04T21:29:28+0000

    DELTA 1 DEB & QIANFAN-203 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-203 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-203 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-203 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-203Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-203Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data