Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.633721E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:15:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 64173
    NORAD ID 64173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-34172
    Time of Closest Approach 2026-10-21T21:34:30+0000
    Collision Probability (Pc) 1.633721E-6
    Conjunction Distance (km) 2.552 km
    Relative Speed (km/s) 13.935 km/s
    Conjunction Risk Parameters R (Radial): 2.279 | I (In-track): -0.461 | C (Cross-track): -1.052
    Collision Risk Index (CRI) 0.39
    X Position (km) 4715.875 4714.971
    Position Y (km) -1101.705 -1100.521
    Position Z (km) -4853.241 -4851.169
    Velocity X (km/s) 4.846 -1.304
    Velocity Y (km/s) -2.541 6.949
    Velocity Z (km/s) 5.296 -2.846

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-34172
    Semimajor Axis (a) 6842.162 km 6848.857 km
    Eccentricity (e) 0.001269 0.000139
    Inclination (i) 97.3094° 53.1598°
    RAAN 335.4649° 131.7439°
    Perigee Argument 118.6472° 89.8707°
    Mean Anomaly (M) 241.6048° 270.2453°
    Apogee 472.708 km 471.670 km
    Perigee 455.342 km 469.770 km
    Orbit Epoch 2026-10-17T20:42:34+0000 2026-10-18T23:37:14+0000

    HIBARI & STARLINK-34172 Collision Probability (Pc) Trend

    HIBARI & STARLINK-34172 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-34172 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-34172 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34172Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34172Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data