Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.650579E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:24:57+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 58979
    NORAD ID 58979
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-31380
    Time of Closest Approach 2026-10-19T01:40:27+0000
    Collision Probability (Pc) 7.650579E-6
    Conjunction Distance (km) 1.19 km
    Relative Speed (km/s) 5.738 km/s
    Conjunction Risk Parameters R (Radial): 0.026 | I (In-track): -1.103 | C (Cross-track): -0.442
    Collision Risk Index (CRI) 0.53
    X Position (km) -6276.108 -6276.028
    Position Y (km) 2722.265 2722.556
    Position Z (km) -100.668 -99.518
    Velocity X (km/s) 0.473 -1.747
    Velocity Y (km/s) 0.853 -4.231
    Velocity Z (km/s) -7.574 -6.112

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-31380
    Semimajor Axis (a) 6842.162 km 6840.896 km
    Eccentricity (e) 0.001269 0.000171
    Inclination (i) 97.3094° 53.1586°
    RAAN 335.4649° 338.8180°
    Perigee Argument 118.6472° 92.2873°
    Mean Anomaly (M) 241.6048° 267.8326°
    Apogee 472.708 km 463.931 km
    Perigee 455.342 km 461.587 km
    Orbit Epoch 2026-10-17T20:42:34+0000 2026-10-18T10:49:11+0000

    HIBARI & STARLINK-31380 Collision Probability (Pc) Trend

    HIBARI & STARLINK-31380 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-31380 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-31380 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31380Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31380Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data