Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.86877E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T15:55:12+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 58380
    NORAD ID 58380
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-30915
    Time of Closest Approach 2026-09-08T14:54:21+0000
    Collision Probability (Pc) 1.86877E-6
    Conjunction Distance (km) 2.403 km
    Relative Speed (km/s) 14.52 km/s
    Conjunction Risk Parameters R (Radial): -0.926 | I (In-track): 0.686 | C (Cross-track): 2.109
    Collision Risk Index (CRI) 0.4
    X Position (km) -2221.688 -2223.031
    Position Y (km) 5438.769 5436.812
    Position Z (km) -3515.282 -3515.657
    Velocity X (km/s) 2.514 -5.994
    Velocity Y (km/s) -3.16 0.574
    Velocity Z (km/s) -6.474 4.685

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-30915
    Semimajor Axis (a) 6844.412 km 6840.860 km
    Eccentricity (e) 0.000923 0.000138
    Inclination (i) 97.3172° 53.1591°
    RAAN 293.6847° 151.3564°
    Perigee Argument 272.4285° 93.8431°
    Mean Anomaly (M) 87.5901° 266.2730°
    Apogee 472.592 km 463.667 km
    Perigee 459.958 km 461.779 km
    Orbit Epoch 2026-09-05T15:30:06+0000 2026-09-05T22:59:10+0000

    HIBARI & STARLINK-30915 Collision Probability (Pc) Trend

    HIBARI & STARLINK-30915 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-30915 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-30915 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30915Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30915Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data