Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.718853E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T20:12:41+0800
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    1 Object 1

    AOE ID 30078
    NORAD ID 30078
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57794
    NORAD ID 57794
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANQI 23
    Time of Closest Approach 2026-10-18T11:05:57+0000
    Collision Probability (Pc) 2.718853E-6
    Conjunction Distance (km) 1.683 km
    Relative Speed (km/s) 6.51 km/s
    Conjunction Risk Parameters R (Radial): 1.518 | I (In-track): -0.649 | C (Cross-track): 0.329
    Collision Risk Index (CRI) 0.44
    X Position (km) 6736.622 6738.293
    Position Y (km) 1150.471 1150.533
    Position Z (km) 2214.025 2213.832
    Velocity X (km/s) -2.077 -2.515
    Velocity Y (km/s) -1.572 4.681
    Velocity Z (km/s) 6.982 5.227

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANQI 23
    Semimajor Axis (a) 7186.343 km 7193.039 km
    Eccentricity (e) 0.005136 0.001340
    Inclination (i) 98.8162° 49.9745°
    RAAN 10.8387° 0.4173°
    Perigee Argument 109.2424° 323.9563°
    Mean Anomaly (M) 54.0437° 36.0445°
    Apogee 845.113 km 824.540 km
    Perigee 771.299 km 805.264 km
    Orbit Epoch 2026-10-16T17:38:56+0000 2026-10-16T21:54:41+0000

    FENGYUN 1C DEB & TIANQI 23 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANQI 23 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANQI 23 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANQI 23 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 23Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 23Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data