Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.457853E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:16:53+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) 9.457853E-6
    Conjunction Distance (km) 1.289 km
    Relative Speed (km/s) 11.578 km/s
    Conjunction Risk Parameters R (Radial): -0.273 | I (In-track): 0.814 | C (Cross-track): 0.961
    Collision Risk Index (CRI) 0.55
    X Position (km) 1347.051 1346.631
    Position Y (km) -409.782 -410.97
    Position Z (km) 6747.169 6746.901
    Velocity X (km/s) -6.849 3.982
    Velocity Y (km/s) -3.042 -6.375
    Velocity Z (km/s) 1.199 -1.172

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 YUNYAO-1 47
    Semimajor Axis (a) 6878.132 km 6908.668 km
    Eccentricity (e) 0.003951 0.001703
    Inclination (i) 97.5798° 97.6106°
    RAAN 20.2656° 120.7905°
    Perigee Argument 306.2789° 67.8283°
    Mean Anomaly (M) 53.4799° 292.4752°
    Apogee 527.168 km 542.297 km
    Perigee 472.822 km 518.765 km
    Orbit Epoch 2026-10-26T21:59:58+0000 2026-10-26T23:07:07+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