Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.961204E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T02:55:05+0800
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    1 Object 1

    AOE ID 23309
    NORAD ID 23309
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 60391
    NORAD ID 60391
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-13
    Time of Closest Approach 2026-09-21T02:30:10+0000
    Collision Probability (Pc) 5.961204E-6
    Conjunction Distance (km) 1.541 km
    Relative Speed (km/s) 14.168 km/s
    Conjunction Risk Parameters R (Radial): 1.337 | I (In-track): -0.204 | C (Cross-track): 0.74
    Collision Risk Index (CRI) 0.51
    X Position (km) -119.144 -118.431
    Position Y (km) -2171.813 -2171.993
    Position Z (km) -7139.887 -7141.241
    Velocity X (km/s) -3.967 0.061
    Velocity Y (km/s) 6.013 -6.977
    Velocity Z (km/s) -1.845 2.121

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-13
    Semimajor Axis (a) 7749.692 km 7446.632 km
    Eccentricity (e) 0.039225 0.001496
    Inclination (i) 99.6758° 88.9908°
    RAAN 120.0302° 270.2929°
    Perigee Argument 242.2412° 111.8936°
    Mean Anomaly (M) 279.0371° 248.3808°
    Apogee 1675.535 km 1079.639 km
    Perigee 1067.575 km 1057.351 km
    Orbit Epoch 2026-09-20T01:29:00+0000 2026-09-20T03:45:27+0000

    DELTA 1 DEB & QIANFAN-13 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-13 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-13 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-13 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data