Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.481418E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:30:39+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 63077
    NORAD ID 63077
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-32839
    Time of Closest Approach 2026-10-21T16:50:04+0000
    Collision Probability (Pc) 2.481418E-6
    Conjunction Distance (km) 2.122 km
    Relative Speed (km/s) 14.901 km/s
    Conjunction Risk Parameters R (Radial): 1.399 | I (In-track): -0.336 | C (Cross-track): 1.561
    Collision Risk Index (CRI) 0.43
    X Position (km) 3874.717 3874.708
    Position Y (km) -696.257 -697.726
    Position Z (km) -5614.638 -5616.169
    Velocity X (km/s) 5.681 -4.122
    Velocity Y (km/s) -2.735 5.356
    Velocity Z (km/s) 4.265 -3.51

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-32839
    Semimajor Axis (a) 6842.022 km 6852.666 km
    Eccentricity (e) 0.001278 0.000090
    Inclination (i) 97.3097° 69.9928°
    RAAN 337.6599° 141.5339°
    Perigee Argument 111.6214° 305.1610°
    Mean Anomaly (M) 248.6392° 54.9481°
    Apogee 472.633 km 475.148 km
    Perigee 455.137 km 473.910 km
    Orbit Epoch 2026-10-20T01:56:20+0000 2026-10-20T13:07:13+0000

    HIBARI & STARLINK-32839 Collision Probability (Pc) Trend

    HIBARI & STARLINK-32839 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-32839 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-32839 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32839Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32839Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data