Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.273683E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:54:35+0800
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    1 Object 1

    AOE ID 64870
    NORAD ID 64870
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68139
    NORAD ID 68139
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter TRACERS 1 SHIYAN 30-03
    Time of Closest Approach 2026-10-22T21:37:58+0000
    Collision Probability (Pc) 1.273683E-6
    Conjunction Distance (km) 2.954 km
    Relative Speed (km/s) 13.114 km/s
    Conjunction Risk Parameters R (Radial): 2.238 | I (In-track): -0.953 | C (Cross-track): -1.675
    Collision Risk Index (CRI) 0.37
    X Position (km) -6077.062 -6079.37
    Position Y (km) 832.595 834.438
    Position Z (km) -3304.232 -3304.24
    Velocity X (km/s) 3.663 -2.255
    Velocity Y (km/s) 0.653 -6.794
    Velocity Z (km/s) -6.585 2.442

    Orbital Parameters 国际轨道数据源

    Parameter TRACERS 1 SHIYAN 30-03
    Semimajor Axis (a) 6964.367 km 6969.715 km
    Eccentricity (e) 0.000517 0.000458
    Inclination (i) 97.6546° 34.9997°
    RAAN 353.7057° 238.4792°
    Perigee Argument 184.7238° 332.4305°
    Mean Anomaly (M) 175.3935° 27.6157°
    Apogee 589.829 km 594.771 km
    Perigee 582.631 km 588.385 km
    Orbit Epoch 2026-10-20T04:23:43+0000 2026-10-20T05:38:36+0000

    TRACERS 1 & SHIYAN 30-03 Collision Probability (Pc) Trend

    TRACERS 1 & SHIYAN 30-03 Collision Probability (Pc) TrendNot Available

    TRACERS 1 & SHIYAN 30-03 Miss Distance (Miss Distance) Trend

    TRACERS 1 & SHIYAN 30-03 Miss Distance (Miss Distance) TrendNot Available

    TRACERS 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 30-03Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TRACERS 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 30-03Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TRACERS 1

    No nearby objects data