Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.827816E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:05:20+0800
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    1 Object 1

    AOE ID 44424
    NORAD ID 44424
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 63348
    NORAD ID 63348
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2538 YUNYAO-1 47
    Time of Closest Approach 2026-10-29T08:44:15+0000
    Collision Probability (Pc) 2.827816E-6
    Conjunction Distance (km) 1.893 km
    Relative Speed (km/s) 11.578 km/s
    Conjunction Risk Parameters R (Radial): -0.326 | I (In-track): 1.216 | C (Cross-track): 1.414
    Collision Risk Index (CRI) 0.44
    X Position (km) 1347.517 1346.898
    Position Y (km) -409.518 -411.278
    Position Z (km) 6747.117 6746.8
    Velocity X (km/s) -6.849 3.982
    Velocity Y (km/s) -3.042 -6.375
    Velocity Z (km/s) 1.199 -1.173

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 YUNYAO-1 47
    Semimajor Axis (a) 6878.099 km 6908.649 km
    Eccentricity (e) 0.003944 0.001699
    Inclination (i) 97.5793° 97.6111°
    RAAN 21.9878° 122.4390°
    Perigee Argument 300.1008° 62.5620°
    Mean Anomaly (M) 59.6320° 297.7335°
    Apogee 527.090 km 542.248 km
    Perigee 472.834 km 518.776 km
    Orbit Epoch 2026-10-28T15:01:32+0000 2026-10-28T14:49:47+0000

    COSMOS 2538 & YUNYAO-1 47 Collision Probability (Pc) Trend

    COSMOS 2538 & YUNYAO-1 47 Collision Probability (Pc) TrendNot Available

    COSMOS 2538 & YUNYAO-1 47 Miss Distance (Miss Distance) Trend

    COSMOS 2538 & YUNYAO-1 47 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 47Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2538Collision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 47Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2538

    No nearby objects data