Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.861472E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T04:47:47+0800
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    1 Object 1

    AOE ID 37380
    NORAD ID 37380
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65771
    NORAD ID 65771
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FAST 2 (USA 228) KUIPER-00151
    Time of Closest Approach 2026-10-28T22:04:47+0000
    Collision Probability (Pc) 3.861472E-6
    Conjunction Distance (km) 1.688 km
    Relative Speed (km/s) 11.321 km/s
    Conjunction Risk Parameters R (Radial): -1.5 | I (In-track): -0.513 | C (Cross-track): -0.578
    Collision Risk Index (CRI) 0.47
    X Position (km) -3643.353 -3643.507
    Position Y (km) -3586.191 -3587.387
    Position Z (km) 4781.826 4783.007
    Velocity X (km/s) 5.571 2.508
    Velocity Y (km/s) 1 -6.481
    Velocity Z (km/s) 4.982 -2.943

    Orbital Parameters 国际轨道数据源

    Parameter FAST 2 (USA 228) KUIPER-00151
    Semimajor Axis (a) 6992.297 km 7007.719 km
    Eccentricity (e) 0.001685 0.000062
    Inclination (i) 71.9719° 51.9008°
    RAAN 208.4846° 97.2492°
    Perigee Argument 227.1118° 75.5721°
    Mean Anomaly (M) 132.8634° 284.5311°
    Apogee 625.945 km 630.020 km
    Perigee 602.375 km 629.144 km
    Orbit Epoch 2026-10-28T04:05:13+0000 2026-10-27T16:22:06+0000

    FAST 2 (USA 228) & KUIPER-00151 Collision Probability (Pc) Trend

    FAST 2 (USA 228) & KUIPER-00151 Collision Probability (Pc) TrendNot Available

    FAST 2 (USA 228) & KUIPER-00151 Miss Distance (Miss Distance) Trend

    FAST 2 (USA 228) & KUIPER-00151 Miss Distance (Miss Distance) TrendNot Available

    FAST 2 (USA 228)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00151Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FAST 2 (USA 228)Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00151Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FAST 2 (USA 228)

    No nearby objects data