Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.7134E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:54:38+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 68927
    NORAD ID 68927
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FAST 2 (USA 228) KUIPER-00412
    Time of Closest Approach 2026-10-22T20:29:45+0000
    Collision Probability (Pc) 6.7134E-7
    Conjunction Distance (km) 2.678 km
    Relative Speed (km/s) 3.242 km/s
    Conjunction Risk Parameters R (Radial): -2.232 | I (In-track): 1.443 | C (Cross-track): 0.325
    Collision Risk Index (CRI) 0.32
    X Position (km) -3736.434 -3738.655
    Position Y (km) -4709.209 -4710.703
    Position Z (km) 3588.787 3588.869
    Velocity X (km/s) 4.372 5.924
    Velocity Y (km/s) 1.138 -1.259
    Velocity Z (km/s) 6.038 4.504

    Orbital Parameters 国际轨道数据源

    Parameter FAST 2 (USA 228) KUIPER-00412
    Semimajor Axis (a) 6992.321 km 7007.685 km
    Eccentricity (e) 0.001715 0.000085
    Inclination (i) 71.9716° 51.9010°
    RAAN 223.2303° 209.6523°
    Perigee Argument 238.3850° 94.0040°
    Mean Anomaly (M) 121.5643° 266.1019°
    Apogee 626.177 km 630.143 km
    Perigee 602.191 km 628.953 km
    Orbit Epoch 2026-10-21T13:37:38+0000 2026-10-21T11:53:56+0000

    FAST 2 (USA 228) & KUIPER-00412 Collision Probability (Pc) Trend

    FAST 2 (USA 228) & KUIPER-00412 Collision Probability (Pc) TrendNot Available

    FAST 2 (USA 228) & KUIPER-00412 Miss Distance (Miss Distance) Trend

    FAST 2 (USA 228) & KUIPER-00412 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    KUIPER-00412Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FAST 2 (USA 228)Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00412Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FAST 2 (USA 228)

    No nearby objects data