Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.142597E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T01:48:08+0800
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    1 Object 1

    AOE ID 10413
    NORAD ID 10413
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68653
    NORAD ID 68653
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 839 DEB QIANFAN-126
    Time of Closest Approach 2026-10-20T22:52:17+0000
    Collision Probability (Pc) 1.142597E-5
    Conjunction Distance (km) 1.165 km
    Relative Speed (km/s) 9.201 km/s
    Conjunction Risk Parameters R (Radial): 0.557 | I (In-track): 0.781 | C (Cross-track): 0.662
    Collision Risk Index (CRI) 0.56
    X Position (km) 1818.125 1819.205
    Position Y (km) -2514.485 -2514.884
    Position Z (km) -6777.924 -6778.098
    Velocity X (km/s) 6.798 4.141
    Velocity Y (km/s) 3.202 -5.192
    Velocity Z (km/s) 0.371 3.039

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 839 DEB QIANFAN-126
    Semimajor Axis (a) 7927.323 km 7446.639 km
    Eccentricity (e) 0.068383 0.000147
    Inclination (i) 65.8820° 88.9818°
    RAAN 25.3097° 308.1738°
    Perigee Argument 245.4603° 96.7154°
    Mean Anomaly (M) 136.6852° 263.4164°
    Apogee 2091.279 km 1069.593 km
    Perigee 1007.093 km 1067.411 km
    Orbit Epoch 2026-10-20T05:54:38+0000 2026-10-20T07:11:51+0000

    COSMOS 839 DEB & QIANFAN-126 Collision Probability (Pc) Trend

    COSMOS 839 DEB & QIANFAN-126 Collision Probability (Pc) TrendNot Available

    COSMOS 839 DEB & QIANFAN-126 Miss Distance (Miss Distance) Trend

    COSMOS 839 DEB & QIANFAN-126 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 839 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-126Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 839 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-126Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 839 DEB

    No nearby objects data