Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.276781E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:19:09+0800
    View CDM
    Download CDM 1.0

    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) 6.276781E-6
    Conjunction Distance (km) 1.455 km
    Relative Speed (km/s) 11.578 km/s
    Conjunction Risk Parameters R (Radial): -0.282 | I (In-track): 0.921 | C (Cross-track): 1.091
    Collision Risk Index (CRI) 0.51
    X Position (km) 1347.162 1346.693
    Position Y (km) -409.721 -411.07
    Position Z (km) 6747.152 6746.875
    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) 6878.125 km 6908.664 km
    Eccentricity (e) 0.003949 0.001703
    Inclination (i) 97.5797° 97.6106°
    RAAN 20.5968° 121.1202°
    Perigee Argument 305.0997° 66.7529°
    Mean Anomaly (M) 54.6539° 293.5492°
    Apogee 527.152 km 542.292 km
    Perigee 472.824 km 518.762 km
    Orbit Epoch 2026-10-27T05:53:20+0000 2026-10-27T07:03:39+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