Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.806413E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:53:22+0800
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    1 Object 1

    AOE ID 36571
    NORAD ID 36571
    Object Type DEBRIS
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 40018
    NORAD ID 40018
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ALOS DEB APRIZESAT 9
    Time of Closest Approach 2026-10-21T06:24:15+0000
    Collision Probability (Pc) 1.806413E-6
    Conjunction Distance (km) 2.454 km
    Relative Speed (km/s) 14.666 km/s
    Conjunction Risk Parameters R (Radial): -2.088 | I (In-track): 0.306 | C (Cross-track): 1.252
    Collision Risk Index (CRI) 0.4
    X Position (km) -930.985 -931.961
    Position Y (km) -3824.818 -3823.382
    Position Z (km) 5766.252 5764.519
    Velocity X (km/s) -0.395 -3.235
    Velocity Y (km/s) 6.322 -5.447
    Velocity Z (km/s) 4.119 -4.158

    Orbital Parameters 国际轨道数据源

    Parameter ALOS DEB APRIZESAT 9
    Semimajor Axis (a) 6988.159 km 7025.364 km
    Eccentricity (e) 0.000209 0.006653
    Inclination (i) 98.0593° 97.9244°
    RAAN 267.4015° 64.1073°
    Perigee Argument 104.4411° 155.3706°
    Mean Anomaly (M) 255.7035° 205.0705°
    Apogee 611.482 km 693.969 km
    Perigee 608.562 km 600.485 km
    Orbit Epoch 2026-10-20T09:08:39+0000 2026-10-20T20:04:23+0000

    ALOS DEB & APRIZESAT 9 Collision Probability (Pc) Trend

    ALOS DEB & APRIZESAT 9 Collision Probability (Pc) TrendNot Available

    ALOS DEB & APRIZESAT 9 Miss Distance (Miss Distance) Trend

    ALOS DEB & APRIZESAT 9 Miss Distance (Miss Distance) TrendNot Available

    ALOS DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    APRIZESAT 9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALOS DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    APRIZESAT 9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALOS DEB

    No nearby objects data