Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.211005E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:26:44+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 60054
    NORAD ID 60054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-31735
    Time of Closest Approach 2026-09-12T01:49:38+0000
    Collision Probability (Pc) 2.211005E-6
    Conjunction Distance (km) 1.767 km
    Relative Speed (km/s) 5.833 km/s
    Conjunction Risk Parameters R (Radial): -1.739 | I (In-track): -0.284 | C (Cross-track): -0.109
    Collision Risk Index (CRI) 0.42
    X Position (km) -3241.678 -3240.816
    Position Y (km) 5909.483 5908.061
    Position Z (km) -1192.036 -1191.441
    Velocity X (km/s) 1.499 -3.569
    Velocity Y (km/s) -0.68 -3.154
    Velocity Z (km/s) -7.454 -5.966

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-31735
    Semimajor Axis (a) 6844.156 km 6840.773 km
    Eccentricity (e) 0.000935 0.000103
    Inclination (i) 97.3160° 53.1608°
    RAAN 298.6588° 298.9066°
    Perigee Argument 250.8691° 87.4659°
    Mean Anomaly (M) 109.1540° 272.6462°
    Apogee 472.417 km 463.339 km
    Perigee 459.621 km 461.933 km
    Orbit Epoch 2026-09-10T16:06:32+0000 2026-09-10T09:54:40+0000

    HIBARI & STARLINK-31735 Collision Probability (Pc) Trend

    HIBARI & STARLINK-31735 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-31735 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-31735 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31735Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31735Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data