Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.821307E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T19:53:05+0800
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    1 Object 1

    AOE ID 43353
    NORAD ID 43353
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter SL-16 DEB ALOS-4
    Time of Closest Approach 2026-10-13T07:13:46+0000
    Collision Probability (Pc) 1.821307E-6
    Conjunction Distance (km) 2.443 km
    Relative Speed (km/s) 14.648 km/s
    Conjunction Risk Parameters R (Radial): 1.575 | I (In-track): -0.442 | C (Cross-track): -1.813
    Collision Risk Index (CRI) 0.4
    X Position (km) 2629.266 2630.162
    Position Y (km) 1981.331 1979.988
    Position Z (km) -6195.178 -6197.009
    Velocity X (km/s) -6.974 6.407
    Velocity Y (km/s) 1.297 2.054
    Velocity Z (km/s) -2.533 3.377

    Orbital Parameters 国际轨道数据源

    Parameter SL-16 DEB ALOS-4
    Semimajor Axis (a) 7013.707 km 7009.120 km
    Eccentricity (e) 0.001604 0.000143
    Inclination (i) 70.9822° 97.9225°
    RAAN 179.6316° 20.4545°
    Perigee Argument 317.4694° 91.6840°
    Mean Anomaly (M) 42.5218° 268.4535°
    Apogee 646.817 km 631.983 km
    Perigee 624.323 km 629.983 km
    Orbit Epoch 2026-10-11T23:14:38+0000 2026-10-11T23:03:02+0000

    SL-16 DEB & ALOS-4 Collision Probability (Pc) Trend

    SL-16 DEB & ALOS-4 Collision Probability (Pc) TrendNot Available

    SL-16 DEB & ALOS-4 Miss Distance (Miss Distance) Trend

    SL-16 DEB & ALOS-4 Miss Distance (Miss Distance) TrendNot Available

    SL-16 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

    SL-16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ALOS-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-16 DEB

    No nearby objects data