Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.003675E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:57:07+0800
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    1 Object 1

    Name GRUS-1E
    AOE ID 47935
    NORAD ID 47935
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 55315
    NORAD ID 55315
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GRUS-1E STARLINK-4623
    Time of Closest Approach 2026-10-19T17:33:40+0000
    Collision Probability (Pc) 7.003675E-7
    Conjunction Distance (km) 2.729 km
    Relative Speed (km/s) 3.7 km/s
    Conjunction Risk Parameters R (Radial): -1.586 | I (In-track): 2.154 | C (Cross-track): -0.538
    Collision Risk Index (CRI) 0.32
    X Position (km) 6739.832 6740.849
    Position Y (km) -624.41 -624.757
    Position Z (km) 1575.487 1577.995
    Velocity X (km/s) 1.604 1.855
    Velocity Y (km/s) -1.171 2.499
    Velocity Z (km/s) -7.31 -6.906

    Orbital Parameters 国际轨道数据源

    Parameter GRUS-1E STARLINK-4623
    Semimajor Axis (a) 6947.721 km 6950.189 km
    Eccentricity (e) 0.000736 0.000290
    Inclination (i) 97.5220° 69.9975°
    RAAN 172.5281° 181.5041°
    Perigee Argument 266.1944° 270.5441°
    Mean Anomaly (M) 93.8438° 89.5386°
    Apogee 574.699 km 574.066 km
    Perigee 564.469 km 570.038 km
    Orbit Epoch 2026-10-19T07:12:28+0000 2026-10-18T23:11:54+0000

    GRUS-1E & STARLINK-4623 Collision Probability (Pc) Trend

    GRUS-1E & STARLINK-4623 Collision Probability (Pc) TrendNot Available

    GRUS-1E & STARLINK-4623 Miss Distance (Miss Distance) Trend

    GRUS-1E & STARLINK-4623 Miss Distance (Miss Distance) TrendNot Available

    GRUS-1EMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4623Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRUS-1ECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4623Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRUS-1E

    No nearby objects data