Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.101029E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:50:37+0800
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    1 Object 1

    AOE ID 54216
    NORAD ID 54216
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    Name SZ-23
    AOE ID 69180
    NORAD ID 69180
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CSS (MENGTIAN) SZ-23
    Time of Closest Approach 2026-10-21T05:23:36+0000
    Collision Probability (Pc) 7.101029E-4
    Conjunction Distance (km) 0.084 km
    Relative Speed (km/s) 0.001 km/s
    Conjunction Risk Parameters R (Radial): 0 | I (In-track): 0.084 | C (Cross-track): 0
    Collision Risk Index (CRI) 0.92
    X Position (km) 105.74 105.803
    Position Y (km) 6717.446 6717.439
    Position Z (km) 753.8 753.855
    Velocity X (km/s) -5.782 -5.782
    Velocity Y (km/s) 0.66 0.66
    Velocity Z (km/s) -5.017 -5.017

    Orbital Parameters 国际轨道数据源

    Parameter CSS (MENGTIAN) SZ-23
    Semimajor Axis (a) 6762.957 km 6762.966 km
    Eccentricity (e) 0.000183 0.000183
    Inclination (i) 41.4689° 41.4689°
    RAAN 281.6464° 282.0360°
    Perigee Argument 186.1730° 185.2517°
    Mean Anomaly (M) 173.9086° 174.8303°
    Apogee 386.058 km 386.065 km
    Perigee 383.582 km 383.593 km
    Orbit Epoch 2026-10-20T08:42:24+0000 2026-10-20T07:10:16+0000

    CSS (MENGTIAN) & SZ-23 Collision Probability (Pc) Trend

    CSS (MENGTIAN) & SZ-23 Collision Probability (Pc) TrendNot Available

    CSS (MENGTIAN) & SZ-23 Miss Distance (Miss Distance) Trend

    CSS (MENGTIAN) & SZ-23 Miss Distance (Miss Distance) TrendNot Available

    CSS (MENGTIAN)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SZ-23Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CSS (MENGTIAN)Collision Probability Trend

    Object 1 Probability TrendNot Available

    SZ-23Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CSS (MENGTIAN)

    No nearby objects data