Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.513119E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:51:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52713
    NORAD ID 52713
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 54748
    NORAD ID 54748
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2556 YAOGAN-36 04B
    Time of Closest Approach 2026-10-20T13:02:55+0000
    Collision Probability (Pc) 1.513119E-6
    Conjunction Distance (km) 2.585 km
    Relative Speed (km/s) 12.685 km/s
    Conjunction Risk Parameters R (Radial): -1.553 | I (In-track): 1.142 | C (Cross-track): -1.721
    Collision Risk Index (CRI) 0.39
    X Position (km) 2804.11 2806.436
    Position Y (km) 5070.199 5071.27
    Position Z (km) -3694.251 -3693.904
    Velocity X (km/s) -0.903 -6.003
    Velocity Y (km/s) -4.114 4.434
    Velocity Z (km/s) -6.341 1.521

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2556 YAOGAN-36 04B
    Semimajor Axis (a) 6864.105 km 6874.342 km
    Eccentricity (e) 0.000220 0.000663
    Inclination (i) 97.6439° 35.0036°
    RAAN 244.6533° 136.4569°
    Perigee Argument 73.4608° 231.2496°
    Mean Anomaly (M) 286.6872° 128.7626°
    Apogee 487.481 km 500.764 km
    Perigee 484.455 km 491.646 km
    Orbit Epoch 2026-10-19T06:13:51+0000 2026-10-18T23:36:02+0000

    COSMOS 2556 & YAOGAN-36 04B Collision Probability (Pc) Trend

    COSMOS 2556 & YAOGAN-36 04B Collision Probability (Pc) TrendNot Available

    COSMOS 2556 & YAOGAN-36 04B Miss Distance (Miss Distance) Trend

    COSMOS 2556 & YAOGAN-36 04B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-36 04BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2556Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-36 04BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2556

    No nearby objects data