Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.351803E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T20:58:59+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 30161
    NORAD ID 30161
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F8 (USA 26) FENGYUN 1C DEB
    Time of Closest Approach 2026-10-25T12:30:29+0000
    Collision Probability (Pc) 1.351803E-6
    Conjunction Distance (km) 2.972 km
    Relative Speed (km/s) 14.743 km/s
    Conjunction Risk Parameters R (Radial): 1.185 | I (In-track): -0.473 | C (Cross-track): 2.684
    Collision Risk Index (CRI) 0.38
    X Position (km) -4003.021 -4000.157
    Position Y (km) 5592.866 5593.545
    Position Z (km) -2191.878 -2191.471
    Velocity X (km/s) -0.329 2.513
    Velocity Y (km/s) 2.492 -1.03
    Velocity Z (km/s) 6.988 -7.042

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F8 (USA 26) FENGYUN 1C DEB
    Semimajor Axis (a) 7204.935 km 7448.394 km
    Eccentricity (e) 0.001302 0.032572
    Inclination (i) 98.7328° 100.5170°
    RAAN 121.5376° 306.9111°
    Perigee Argument 145.4985° 216.7611°
    Mean Anomaly (M) 214.7039° 269.8828°
    Apogee 836.179 km 1312.864 km
    Perigee 817.417 km 827.650 km
    Orbit Epoch 2026-10-24T06:08:37+0000 2026-10-23T13:55:31+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