Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.185764E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T12:51:18+0800
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    1 Object 1

    AOE ID 9443
    NORAD ID 9443
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 16681
    NORAD ID 16681
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 858 COSMOS 1741
    Time of Closest Approach 2026-10-22T09:56:48+0000
    Collision Probability (Pc) 2.185764E-6
    Conjunction Distance (km) 2.106 km
    Relative Speed (km/s) 11.8 km/s
    Conjunction Risk Parameters R (Radial): -0.086 | I (In-track): 1.295 | C (Cross-track): -1.658
    Collision Risk Index (CRI) 0.42
    X Position (km) 2448.931 2450.254
    Position Y (km) -2063.648 -2062.011
    Position Z (km) 6383.1 6383.025
    Velocity X (km/s) -1.081 6.995
    Velocity Y (km/s) 6.902 0.112
    Velocity Z (km/s) 2.651 -2.633

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 858 COSMOS 1741
    Semimajor Axis (a) 7152.685 km 7156.671 km
    Eccentricity (e) 0.001351 0.001768
    Inclination (i) 74.0475° 74.0239°
    RAAN 289.1033° 177.4588°
    Perigee Argument 12.1646° 68.6287°
    Mean Anomaly (M) 347.9830° 291.6750°
    Apogee 784.215 km 791.190 km
    Perigee 764.881 km 765.878 km
    Orbit Epoch 2026-10-20T05:46:06+0000 2026-10-20T22:16:07+0000

    COSMOS 858 & COSMOS 1741 Collision Probability (Pc) Trend

    COSMOS 858 & COSMOS 1741 Collision Probability (Pc) TrendNot Available

    COSMOS 858 & COSMOS 1741 Miss Distance (Miss Distance) Trend

    COSMOS 858 & COSMOS 1741 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 858Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1741Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 858Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1741Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 858

    No nearby objects data