Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.390636E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T21:41:18+0800
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    1 Object 1

    AOE ID 31550
    NORAD ID 31550
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 54235
    NORAD ID 54235
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 3
    Time of Closest Approach 2026-10-23T18:01:43+0000
    Collision Probability (Pc) 1.390636E-6
    Conjunction Distance (km) 1.525 km
    Relative Speed (km/s) 1.214 km/s
    Conjunction Risk Parameters R (Radial): -1.041 | I (In-track): 1.107 | C (Cross-track): -0.128
    Collision Risk Index (CRI) 0.38
    X Position (km) 780.421 780.864
    Position Y (km) 841.204 840.119
    Position Z (km) -7144.314 -7143.338
    Velocity X (km/s) 2.908 4.002
    Velocity Y (km/s) -6.752 -6.232
    Velocity Z (km/s) -0.379 -0.296

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 3
    Semimajor Axis (a) 7132.000 km 7225.979 km
    Eccentricity (e) 0.018920 0.000214
    Inclination (i) 98.3243° 98.8209°
    RAAN 291.1305° 300.9041°
    Perigee Argument 48.0763° 100.5404°
    Mean Anomaly (M) 313.6385° 259.6010°
    Apogee 888.800 km 849.392 km
    Perigee 618.926 km 846.292 km
    Orbit Epoch 2026-10-21T23:08:50+0000 2026-10-22T06:47:09+0000

    FENGYUN 1C DEB & YUNHAI 3 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YUNHAI 3 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YUNHAI 3 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YUNHAI 3 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data