Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.581415E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T01:20:51+0800
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    1 Object 1

    AOE ID 30074
    NORAD ID 30074
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67477
    NORAD ID 67477
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANQI 38
    Time of Closest Approach 2026-10-20T05:51:17+0000
    Collision Probability (Pc) 2.581415E-6
    Conjunction Distance (km) 2.012 km
    Relative Speed (km/s) 12.869 km/s
    Conjunction Risk Parameters R (Radial): 1.995 | I (In-track): 0.13 | C (Cross-track): 0.219
    Collision Risk Index (CRI) 0.43
    X Position (km) -5437.44 -5438.809
    Position Y (km) -224.353 -224.596
    Position Z (km) -4827.57 -4829.023
    Velocity X (km/s) 4.751 -1.309
    Velocity Y (km/s) 1.758 -7.058
    Velocity Z (km/s) -5.36 1.793

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANQI 38
    Semimajor Axis (a) 7223.161 km 7274.723 km
    Eccentricity (e) 0.009278 0.000974
    Inclination (i) 99.1113° 44.9779°
    RAAN 8.4107° 253.8709°
    Perigee Argument 0.6846° 204.0447°
    Mean Anomaly (M) 359.4437° 155.9932°
    Apogee 912.040 km 903.672 km
    Perigee 778.008 km 889.500 km
    Orbit Epoch 2026-10-18T03:33:43+0000 2026-10-18T06:12:20+0000

    FENGYUN 1C DEB & TIANQI 38 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANQI 38 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANQI 38 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANQI 38 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 38Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 38Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data