Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.441155E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:39:43+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 49450
    NORAD ID 49450
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-3127
    Time of Closest Approach 2026-10-22T15:13:09+0000
    Collision Probability (Pc) 5.441155E-6
    Conjunction Distance (km) 1.484 km
    Relative Speed (km/s) 10.341 km/s
    Conjunction Risk Parameters R (Radial): -1.448 | I (In-track): 0.235 | C (Cross-track): 0.223
    Collision Risk Index (CRI) 0.5
    X Position (km) 3738.177 3739.082
    Position Y (km) -2073.824 -2074.51
    Position Z (km) 5328.797 5329.752
    Velocity X (km/s) -5.866 2.066
    Velocity Y (km/s) 1.477 7.228
    Velocity Z (km/s) 4.669 1.36

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-3127
    Semimajor Axis (a) 6842.022 km 6840.864 km
    Eccentricity (e) 0.001278 0.000142
    Inclination (i) 97.3097° 53.1596°
    RAAN 337.6599° 275.6049°
    Perigee Argument 111.6214° 86.4907°
    Mean Anomaly (M) 248.6392° 273.6259°
    Apogee 472.633 km 463.702 km
    Perigee 455.137 km 461.752 km
    Orbit Epoch 2026-10-20T01:56:20+0000 2026-10-19T16:32:17+0000

    HIBARI & STARLINK-3127 Collision Probability (Pc) Trend

    HIBARI & STARLINK-3127 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-3127 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-3127 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3127Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3127Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data