Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.136961E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:41:59+0800
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    1 Object 1

    AOE ID 19311
    NORAD ID 19311
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 29522
    NORAD ID 29522
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 DEB DMSP 5D-3 F17 (USA 191)
    Time of Closest Approach 2026-10-30T17:46:42+0000
    Collision Probability (Pc) 2.136961E-6
    Conjunction Distance (km) 1.922 km
    Relative Speed (km/s) 7.917 km/s
    Conjunction Risk Parameters R (Radial): 1.856 | I (In-track): -0.409 | C (Cross-track): -0.284
    Collision Risk Index (CRI) 0.42
    X Position (km) -1203.349 -1203.593
    Position Y (km) -227.691 -228.244
    Position Z (km) 7102.469 7104.293
    Velocity X (km/s) 3.337 -4.453
    Velocity Y (km/s) 6.57 5.929
    Velocity Z (km/s) 0.699 -0.556

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB DMSP 5D-3 F17 (USA 191)
    Semimajor Axis (a) 7153.305 km 7220.383 km
    Eccentricity (e) 0.013253 0.001080
    Inclination (i) 97.6937° 98.7421°
    RAAN 239.7125° 304.8505°
    Perigee Argument 223.8121° 41.5558°
    Mean Anomaly (M) 135.2493° 318.6435°
    Apogee 869.974 km 850.044 km
    Perigee 680.362 km 834.448 km
    Orbit Epoch 2026-10-27T19:05:31+0000 2026-10-27T23:09:01+0000

    DELTA 1 DEB & DMSP 5D-3 F17 (USA 191) Collision Probability (Pc) Trend

    DELTA 1 DEB & DMSP 5D-3 F17 (USA 191) Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & DMSP 5D-3 F17 (USA 191) Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & DMSP 5D-3 F17 (USA 191) Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DMSP 5D-3 F17 (USA 191)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    DMSP 5D-3 F17 (USA 191)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data