Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.238826E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T13:48:57+0800
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    1 Object 1

    AOE ID 31861
    NORAD ID 31861
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59283
    NORAD ID 59283
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-2D
    Time of Closest Approach 2026-10-19T07:06:42+0000
    Collision Probability (Pc) 4.238826E-6
    Conjunction Distance (km) 1.65 km
    Relative Speed (km/s) 11.731 km/s
    Conjunction Risk Parameters R (Radial): -0.48 | I (In-track): 0.976 | C (Cross-track): 1.241
    Collision Risk Index (CRI) 0.48
    X Position (km) 4645.681 4644.399
    Position Y (km) -223.454 -222.542
    Position Z (km) -5468.656 -5469.152
    Velocity X (km/s) -5.669 -0.335
    Velocity Y (km/s) -2.24 7.418
    Velocity Z (km/s) -4.566 -0.584

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-2D
    Semimajor Axis (a) 7519.542 km 7176.566 km
    Eccentricity (e) 0.048911 0.000423
    Inclination (i) 102.3297° 50.0059°
    RAAN 190.0138° 101.9194°
    Perigee Argument 255.2654° 295.1945°
    Mean Anomaly (M) 99.3786° 64.8531°
    Apogee 1509.192 km 801.464 km
    Perigee 773.618 km 795.394 km
    Orbit Epoch 2026-10-17T12:26:22+0000 2026-10-17T23:38:54+0000

    FENGYUN 1C DEB & YUNHAI 2-2D Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YUNHAI 2-2D Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YUNHAI 2-2D Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YUNHAI 2-2D Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-2DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-2DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data