Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.215607E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T19:22:32+0800
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    1 Object 1

    Name AIST 1
    AOE ID 39492
    NORAD ID 39492
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 46484
    NORAD ID 46484
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter AIST 1 CZ-4B DEB
    Time of Closest Approach 2026-10-12T12:18:19+0000
    Collision Probability (Pc) 9.215607E-6
    Conjunction Distance (km) 1.371 km
    Relative Speed (km/s) 15.128 km/s
    Conjunction Risk Parameters R (Radial): -1.363 | I (In-track): 0.012 | C (Cross-track): 0.137
    Collision Risk Index (CRI) 0.54
    X Position (km) 717.293 717.195
    Position Y (km) 693.107 693.1
    Position Z (km) -6882.269 -6880.903
    Velocity X (km/s) -6.941 6.913
    Velocity Y (km/s) 2.978 -3.032
    Velocity Z (km/s) -0.428 0.442

    Orbital Parameters 国际轨道数据源

    Parameter AIST 1 CZ-4B DEB
    Semimajor Axis (a) 6956.399 km 6947.268 km
    Eccentricity (e) 0.001506 0.003456
    Inclination (i) 82.4170° 97.6087°
    RAAN 157.7122° 335.6756°
    Perigee Argument 244.6311° 2.9001°
    Mean Anomaly (M) 115.3352° 357.2417°
    Apogee 588.738 km 593.138 km
    Perigee 567.786 km 545.124 km
    Orbit Epoch 2026-10-11T23:52:54+0000 2026-10-11T09:27:37+0000

    AIST 1 & CZ-4B DEB Collision Probability (Pc) Trend

    AIST 1 & CZ-4B DEB Collision Probability (Pc) TrendNot Available

    AIST 1 & CZ-4B DEB Miss Distance (Miss Distance) Trend

    AIST 1 & CZ-4B DEB Miss Distance (Miss Distance) TrendNot Available

    AIST 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AIST 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AIST 1

    No nearby objects data