Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.586742E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:16:30+0800
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    1 Object 1

    Name HIBARI
    AOE ID 49400
    NORAD ID 49400
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 53841
    NORAD ID 53841
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-4750
    Time of Closest Approach 2026-10-20T08:52:46+0000
    Collision Probability (Pc) 2.586742E-5
    Conjunction Distance (km) 0.85 km
    Relative Speed (km/s) 6.302 km/s
    Conjunction Risk Parameters R (Radial): 0.784 | I (In-track): -0.297 | C (Cross-track): 0.138
    Collision Risk Index (CRI) 0.63
    X Position (km) -5940.024 -5939.49
    Position Y (km) 2031.889 2031.612
    Position Z (km) 2704.212 2703.613
    Velocity X (km/s) -2.505 -3.788
    Velocity Y (km/s) 1.975 -3.975
    Velocity Z (km/s) -6.944 -5.313

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-4750
    Semimajor Axis (a) 6842.056 km 6837.875 km
    Eccentricity (e) 0.001277 0.000133
    Inclination (i) 97.3096° 53.1600°
    RAAN 337.1434° 5.2644°
    Perigee Argument 113.2454° 91.3391°
    Mean Anomaly (M) 247.0135° 268.7765°
    Apogee 472.653 km 460.650 km
    Perigee 455.185 km 458.826 km
    Orbit Epoch 2026-10-19T13:24:52+0000 2026-10-19T05:40:12+0000

    HIBARI & STARLINK-4750 Collision Probability (Pc) Trend

    HIBARI & STARLINK-4750 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-4750 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-4750 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4750Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4750Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data