Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.608245E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T05:19:25+0800
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    1 Object 1

    AOE ID 15521
    NORAD ID 15521
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 69814
    NORAD ID 69814
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-3 DEB QIANFAN-215
    Time of Closest Approach 2026-09-06T10:29:26+0000
    Collision Probability (Pc) 2.608245E-6
    Conjunction Distance (km) 1.989 km
    Relative Speed (km/s) 12.512 km/s
    Conjunction Risk Parameters R (Radial): -0.472 | I (In-track): 1.048 | C (Cross-track): 1.624
    Collision Risk Index (CRI) 0.43
    X Position (km) 1244.933 1246.069
    Position Y (km) -281.029 -279.518
    Position Z (km) -7094.415 -7093.796
    Velocity X (km/s) -2.19 7.255
    Velocity Y (km/s) 7.084 -0.876
    Velocity Z (km/s) -0.681 1.315

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 DEB QIANFAN-215
    Semimajor Axis (a) 7238.535 km 7197.398 km
    Eccentricity (e) 0.005577 0.000907
    Inclination (i) 81.2133° 88.9976°
    RAAN 109.7666° 353.1447°
    Perigee Argument 248.2833° 43.1547°
    Mean Anomaly (M) 140.7775° 317.0353°
    Apogee 900.770 km 825.790 km
    Perigee 820.026 km 812.732 km
    Orbit Epoch 2026-09-04T14:47:26+0000 2026-09-04T14:56:59+0000

    SL-3 DEB & QIANFAN-215 Collision Probability (Pc) Trend

    SL-3 DEB & QIANFAN-215 Collision Probability (Pc) TrendNot Available

    SL-3 DEB & QIANFAN-215 Miss Distance (Miss Distance) Trend

    SL-3 DEB & QIANFAN-215 Miss Distance (Miss Distance) TrendNot Available

    SL-3 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-215Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-215Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 DEB

    No nearby objects data