Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.900365E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T13:38:17+0800
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    1 Object 1

    AOE ID 29804
    NORAD ID 29804
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 64060
    NORAD ID 64060
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANQI 18
    Time of Closest Approach 2026-10-18T20:56:24+0000
    Collision Probability (Pc) 1.900365E-6
    Conjunction Distance (km) 2.242 km
    Relative Speed (km/s) 11.81 km/s
    Conjunction Risk Parameters R (Radial): 2.235 | I (In-track): -0.09 | C (Cross-track): 0.156
    Collision Risk Index (CRI) 0.41
    X Position (km) 1493.123 1493.48
    Position Y (km) -4934.283 -4935.919
    Position Z (km) 5130.489 5131.979
    Velocity X (km/s) -3.019 7.161
    Velocity Y (km/s) 4.464 1.838
    Velocity Z (km/s) 5.061 -0.318

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANQI 18
    Semimajor Axis (a) 7256.758 km 7274.806 km
    Eccentricity (e) 0.009843 0.001036
    Inclination (i) 98.8060° 44.9841°
    RAAN 294.3495° 196.1436°
    Perigee Argument 156.5764° 256.1997°
    Mean Anomaly (M) 359.3749° 103.7683°
    Apogee 950.050 km 904.203 km
    Perigee 807.192 km 889.135 km
    Orbit Epoch 2026-10-17T11:15:42+0000 2026-10-17T22:13:00+0000

    FENGYUN 1C DEB & TIANQI 18 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANQI 18 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANQI 18 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANQI 18 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data