Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.948032E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T23:16:35+0800
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    1 Object 1

    AOE ID 41785
    NORAD ID 41785
    Object Type PAYLOAD
    Country
    DZ DZ
    ← VS →

    2 Object 2

    AOE ID 54499
    NORAD ID 54499
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter ALSAT 1B CZ-6A DEB
    Time of Closest Approach 2026-10-31T16:31:32+0000
    Collision Probability (Pc) 3.948032E-6
    Conjunction Distance (km) 1.487 km
    Relative Speed (km/s) 6.471 km/s
    Conjunction Risk Parameters R (Radial): -1.482 | I (In-track): -0.107 | C (Cross-track): 0.034
    Collision Risk Index (CRI) 0.47
    X Position (km) 398.086 397.91
    Position Y (km) 1041.22 1041.064
    Position Z (km) -6954.34 -6952.872
    Velocity X (km/s) 4.633 7.546
    Velocity Y (km/s) -5.878 -0.183
    Velocity Z (km/s) -0.621 0.352

    Orbital Parameters 国际轨道数据源

    Parameter ALSAT 1B CZ-6A DEB
    Semimajor Axis (a) 7031.690 km 7114.918 km
    Eccentricity (e) 0.000994 0.013268
    Inclination (i) 97.7788° 98.5644°
    RAAN 305.9859° 356.7187°
    Perigee Argument 144.9975° 248.1757°
    Mean Anomaly (M) 215.1889° 110.5277°
    Apogee 660.543 km 831.181 km
    Perigee 646.563 km 642.381 km
    Orbit Epoch 2026-10-30T00:10:50+0000 2026-10-29T10:08:36+0000

    ALSAT 1B & CZ-6A DEB Collision Probability (Pc) Trend

    ALSAT 1B & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    ALSAT 1B & CZ-6A DEB Miss Distance (Miss Distance) Trend

    ALSAT 1B & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    ALSAT 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALSAT 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALSAT 1B

    No nearby objects data