Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.133104E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:28:36+0800
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    1 Object 1

    AOE ID 13564
    NORAD ID 13564
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 63164
    NORAD ID 63164
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-78
    Time of Closest Approach 2026-09-12T18:40:58+0000
    Collision Probability (Pc) 9.133104E-6
    Conjunction Distance (km) 1.294 km
    Relative Speed (km/s) 11.222 km/s
    Conjunction Risk Parameters R (Radial): -0.319 | I (In-track): 0.786 | C (Cross-track): 0.976
    Collision Risk Index (CRI) 0.54
    X Position (km) 297.925 298.558
    Position Y (km) -1120.006 -1118.974
    Position Z (km) -7373.328 -7373.782
    Velocity X (km/s) -7.106 2.665
    Velocity Y (km/s) -1.304 -6.694
    Velocity Z (km/s) -0.062 1.132

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-78
    Semimajor Axis (a) 7310.089 km 7446.677 km
    Eccentricity (e) 0.020365 0.001693
    Inclination (i) 98.8994° 88.9660°
    RAAN 187.7299° 291.8032°
    Perigee Argument 86.4841° 68.8676°
    Mean Anomaly (M) 289.9081° 291.4283°
    Apogee 1080.820 km 1081.151 km
    Perigee 783.084 km 1055.929 km
    Orbit Epoch 2026-09-10T01:30:12+0000 2026-09-10T06:38:57+0000

    DELTA 1 DEB & QIANFAN-78 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-78 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-78 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-78 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-78Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-78Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data