Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.952014E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T23:16:15+0800
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    1 Object 1

    AOE ID 4047
    NORAD ID 4047
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 49008
    NORAD ID 49008
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 1127 (DMSP 4B F3) FENGYUN 3E
    Time of Closest Approach 2026-10-18T21:27:37+0000
    Collision Probability (Pc) 2.952014E-5
    Conjunction Distance (km) 0.968 km
    Relative Speed (km/s) 14.231 km/s
    Conjunction Risk Parameters R (Radial): 0.365 | I (In-track): 0.258 | C (Cross-track): 0.859
    Collision Risk Index (CRI) 0.64
    X Position (km) -2324.315 -2323.733
    Position Y (km) 2887.573 2888.279
    Position Z (km) 6167.795 6168.109
    Velocity X (km/s) 5.47 -2.108
    Velocity Y (km/s) -3.433 6.13
    Velocity Z (km/s) 3.667 -3.656

    Orbital Parameters 国际轨道数据源

    Parameter OPS 1127 (DMSP 4B F3) FENGYUN 3E
    Semimajor Axis (a) 7171.404 km 7203.784 km
    Eccentricity (e) 0.004280 0.000276
    Inclination (i) 98.4060° 98.7561°
    RAAN 142.2534° 293.3781°
    Perigee Argument 251.6910° 89.6530°
    Mean Anomaly (M) 107.9614° 270.4963°
    Apogee 823.960 km 827.638 km
    Perigee 762.574 km 823.656 km
    Orbit Epoch 2026-10-18T01:01:15+0000 2026-10-18T07:22:07+0000

    OPS 1127 (DMSP 4B F3) & FENGYUN 3E Collision Probability (Pc) Trend

    OPS 1127 (DMSP 4B F3) & FENGYUN 3E Collision Probability (Pc) TrendNot Available

    OPS 1127 (DMSP 4B F3) & FENGYUN 3E Miss Distance (Miss Distance) Trend

    OPS 1127 (DMSP 4B F3) & FENGYUN 3E Miss Distance (Miss Distance) TrendNot Available

    OPS 1127 (DMSP 4B F3)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 3EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 1127 (DMSP 4B F3)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 3ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 1127 (DMSP 4B F3)

    No nearby objects data