Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.902417E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:13:54+0800
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    1 Object 1

    AOE ID 40608
    NORAD ID 40608
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 57490
    NORAD ID 57490
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB FENGYUN 3F
    Time of Closest Approach 2026-09-12T16:28:17+0000
    Collision Probability (Pc) 2.902417E-6
    Conjunction Distance (km) 1.651 km
    Relative Speed (km/s) 6.591 km/s
    Conjunction Risk Parameters R (Radial): -1.546 | I (In-track): 0.521 | C (Cross-track): 0.25
    Collision Risk Index (CRI) 0.44
    X Position (km) 1071.106 1071.064
    Position Y (km) 563.436 564.065
    Position Z (km) -7107.903 -7109.428
    Velocity X (km/s) 0.166 5.943
    Velocity Y (km/s) -7.394 -4.416
    Velocity Z (km/s) -0.545 0.545

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB FENGYUN 3F
    Semimajor Axis (a) 7185.185 km 7203.658 km
    Eccentricity (e) 0.003229 0.000110
    Inclination (i) 98.6139° 98.6765°
    RAAN 267.2898° 322.3209°
    Perigee Argument 55.3833° 115.3324°
    Mean Anomaly (M) 305.0385° 244.7967°
    Apogee 830.250 km 826.317 km
    Perigee 783.846 km 824.725 km
    Orbit Epoch 2026-09-09T06:21:57+0000 2026-09-10T22:35:46+0000

    DMSP 5D-2 F13 DEB & FENGYUN 3F Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & FENGYUN 3F Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & FENGYUN 3F Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & FENGYUN 3F Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 3FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 3FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data