Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.056637E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T00:46:21+0800
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    1 Object 1

    AOE ID 10619
    NORAD ID 10619
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68650
    NORAD ID 68650
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 839 DEB QIANFAN-123
    Time of Closest Approach 2026-10-18T00:28:23+0000
    Collision Probability (Pc) 1.056637E-6
    Conjunction Distance (km) 2.73 km
    Relative Speed (km/s) 7.873 km/s
    Conjunction Risk Parameters R (Radial): 2.698 | I (In-track): -0.287 | C (Cross-track): -0.295
    Collision Risk Index (CRI) 0.35
    X Position (km) 1975.889 1976.283
    Position Y (km) -2681.433 -2682.212
    Position Z (km) -6666.401 -6668.987
    Velocity X (km/s) 7.078 4.106
    Velocity Y (km/s) 2.005 -5.083
    Velocity Z (km/s) 1.561 3.263

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 839 DEB QIANFAN-123
    Semimajor Axis (a) 7913.760 km 7446.639 km
    Eccentricity (e) 0.067166 0.000143
    Inclination (i) 65.8337° 88.9815°
    RAAN 11.8791° 308.4986°
    Perigee Argument 311.8530° 93.1401°
    Mean Anomaly (M) 70.0038° 266.9914°
    Apogee 2067.156 km 1069.569 km
    Perigee 1004.090 km 1067.435 km
    Orbit Epoch 2026-10-17T05:31:59+0000 2026-10-17T07:00:43+0000

    COSMOS 839 DEB & QIANFAN-123 Collision Probability (Pc) Trend

    COSMOS 839 DEB & QIANFAN-123 Collision Probability (Pc) TrendNot Available

    COSMOS 839 DEB & QIANFAN-123 Miss Distance (Miss Distance) Trend

    COSMOS 839 DEB & QIANFAN-123 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 839 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-123Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 839 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-123Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 839 DEB

    No nearby objects data