Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.957487E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T21:42:57+0800
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    1 Object 1

    AOE ID 27133
    NORAD ID 27133
    Object Type DEBRIS
    Country
    IN IN
    ← VS →

    2 Object 2

    Name ALOS-4
    AOE ID 60182
    NORAD ID 60182
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter PSLV DEB ALOS-4
    Time of Closest Approach 2026-10-13T12:12:57+0000
    Collision Probability (Pc) 3.957487E-6
    Conjunction Distance (km) 1.779 km
    Relative Speed (km/s) 14.861 km/s
    Conjunction Risk Parameters R (Radial): 1.639 | I (In-track): 0.108 | C (Cross-track): 0.682
    Collision Risk Index (CRI) 0.47
    X Position (km) 4962.457 4960.981
    Position Y (km) 2633.81 2633.807
    Position Z (km) -4205.408 -4204.417
    Velocity X (km/s) -3.338 4.533
    Velocity Y (km/s) -3.212 0.938
    Velocity Z (km/s) -5.959 5.943

    Orbital Parameters 国际轨道数据源

    Parameter PSLV DEB ALOS-4
    Semimajor Axis (a) 7039.415 km 7009.120 km
    Eccentricity (e) 0.003991 0.000143
    Inclination (i) 97.7578° 97.9225°
    RAAN 212.4157° 20.4545°
    Perigee Argument 218.9081° 91.6840°
    Mean Anomaly (M) 140.9252° 268.4535°
    Apogee 689.371 km 631.983 km
    Perigee 633.185 km 629.983 km
    Orbit Epoch 2026-10-12T00:55:20+0000 2026-10-11T23:03:02+0000

    PSLV DEB & ALOS-4 Collision Probability (Pc) Trend

    PSLV DEB & ALOS-4 Collision Probability (Pc) TrendNot Available

    PSLV DEB & ALOS-4 Miss Distance (Miss Distance) Trend

    PSLV DEB & ALOS-4 Miss Distance (Miss Distance) TrendNot Available

    PSLV DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALOS-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PSLV DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ALOS-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PSLV DEB

    No nearby objects data