Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.11795E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T06:26:10+0800
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    1 Object 1

    AOE ID 31507
    NORAD ID 31507
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 43909
    NORAD ID 43909
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNHAI 2-1A
    Time of Closest Approach 2026-10-15T04:25:40+0000
    Collision Probability (Pc) 1.11795E-6
    Conjunction Distance (km) 2.78 km
    Relative Speed (km/s) 9.092 km/s
    Conjunction Risk Parameters R (Radial): 1.556 | I (In-track): 1.82 | C (Cross-track): 1.412
    Collision Risk Index (CRI) 0.36
    X Position (km) 3282.942 3282.375
    Position Y (km) -3941.858 -3942.761
    Position Z (km) 5007.203 5004.636
    Velocity X (km/s) -4.392 3.68
    Velocity Y (km/s) 2.975 6.049
    Velocity Z (km/s) 5.182 2.346

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNHAI 2-1A
    Semimajor Axis (a) 7093.361 km 7173.016 km
    Eccentricity (e) 0.011427 0.000040
    Inclination (i) 98.1629° 50.0089°
    RAAN 315.7607° 258.7252°
    Perigee Argument 218.6268° 298.7089°
    Mean Anomaly (M) 170.5648° 61.3787°
    Apogee 796.280 km 795.164 km
    Perigee 634.168 km 794.594 km
    Orbit Epoch 2026-10-13T01:07:36+0000 2026-10-14T06:18:15+0000

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

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

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

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data