Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.493923E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:47:30+0800
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    1 Object 1

    Name CSTB 1
    AOE ID 31122
    NORAD ID 31122
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 40555
    NORAD ID 40555
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter CSTB 1 COSMOS 2504
    Time of Closest Approach 2026-10-22T00:28:33+0000
    Collision Probability (Pc) 1.493923E-6
    Conjunction Distance (km) 2.793 km
    Relative Speed (km/s) 15.218 km/s
    Conjunction Risk Parameters R (Radial): -2.543 | I (In-track): -0.064 | C (Cross-track): -1.149
    Collision Risk Index (CRI) 0.38
    X Position (km) 1138.877 1139.391
    Position Y (km) 114.612 115.233
    Position Z (km) -6913.272 -6910.599
    Velocity X (km/s) 3.962 -5.238
    Velocity Y (km/s) -6.403 5.67
    Velocity Z (km/s) 0.51 -0.576

    Orbital Parameters 国际轨道数据源

    Parameter CSTB 1 COSMOS 2504
    Semimajor Axis (a) 7028.466 km 7408.607 km
    Eccentricity (e) 0.006268 0.060679
    Inclination (i) 98.4174° 82.5164°
    RAAN 300.7197° 134.1310°
    Perigee Argument 228.9393° 292.5454°
    Mean Anomaly (M) 130.6388° 61.2572°
    Apogee 694.387 km 1480.014 km
    Perigee 606.271 km 580.926 km
    Orbit Epoch 2026-10-20T11:22:39+0000 2026-10-20T22:26:36+0000

    CSTB 1 & COSMOS 2504 Collision Probability (Pc) Trend

    CSTB 1 & COSMOS 2504 Collision Probability (Pc) TrendNot Available

    CSTB 1 & COSMOS 2504 Miss Distance (Miss Distance) Trend

    CSTB 1 & COSMOS 2504 Miss Distance (Miss Distance) TrendNot Available

    CSTB 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2504Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CSTB 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2504Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CSTB 1

    No nearby objects data