Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.149879E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T08:09:38+0800
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    1 Object 1

    AOE ID 18123
    NORAD ID 18123
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 31237
    NORAD ID 31237
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F8 (USA 26) FENGYUN 1C DEB
    Time of Closest Approach 2026-11-02T09:19:33+0000
    Collision Probability (Pc) 2.149879E-6
    Conjunction Distance (km) 2.25 km
    Relative Speed (km/s) 14.639 km/s
    Conjunction Risk Parameters R (Radial): 1.794 | I (In-track): 0.217 | C (Cross-track): -1.34
    Collision Risk Index (CRI) 0.42
    X Position (km) 3844.639 3844.504
    Position Y (km) -5234.645 -5236.755
    Position Z (km) -3130.223 -3130.991
    Velocity X (km/s) -2.885 0.874
    Velocity Y (km/s) 1.813 -3.237
    Velocity Z (km/s) -6.608 6.609

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F8 (USA 26) FENGYUN 1C DEB
    Semimajor Axis (a) 7204.933 km 7162.729 km
    Eccentricity (e) 0.001327 0.008893
    Inclination (i) 98.7324° 98.4669°
    RAAN 127.6552° 297.6709°
    Perigee Argument 128.6699° 120.8387°
    Mean Anomaly (M) 231.5666° 240.1585°
    Apogee 836.356 km 848.293 km
    Perigee 817.236 km 720.891 km
    Orbit Epoch 2026-10-30T11:00:16+0000 2026-10-28T18:46:51+0000

    DMSP 5D-2 F8 (USA 26) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    DMSP 5D-2 F8 (USA 26) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F8 (USA 26) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F8 (USA 26) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F8 (USA 26)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F8 (USA 26)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F8 (USA 26)

    No nearby objects data