Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.379418E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:49:40+0800
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    1 Object 1

    AOE ID 48274
    NORAD ID 48274
    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 (TIANHE-1) SZ-23
    Time of Closest Approach 2026-09-05T10:46:30+0000
    Collision Probability (Pc) 1.379418E-4
    Conjunction Distance (km) 0.261 km
    Relative Speed (km/s) 0.001 km/s
    Conjunction Risk Parameters R (Radial): 0.001 | I (In-track): 0.26 | C (Cross-track): 0.019
    Collision Risk Index (CRI) 0.78
    X Position (km) 3942.409 3942.206
    Position Y (km) -3708.609 -3708.76
    Position Z (km) 4053.504 4053.563
    Velocity X (km/s) 6.106 6.106
    Velocity Y (km/s) 4.129 4.129
    Velocity Z (km/s) -2.156 -2.156

    Orbital Parameters 国际轨道数据源

    Parameter CSS (TIANHE-1) SZ-23
    Semimajor Axis (a) 6766.980 km 6767.001 km
    Eccentricity (e) 0.000230 0.000226
    Inclination (i) 41.4676° 41.4676°
    RAAN 196.4318° 197.9878°
    Perigee Argument 258.8752° 257.9565°
    Mean Anomaly (M) 101.1828° 102.1019°
    Apogee 390.397 km 390.396 km
    Perigee 387.289 km 387.332 km
    Orbit Epoch 2026-09-05T04:08:12+0000 2026-09-04T21:59:21+0000

    CSS (TIANHE-1) & SZ-23 Collision Probability (Pc) Trend

    CSS (TIANHE-1) & SZ-23 Collision Probability (Pc) TrendNot Available

    CSS (TIANHE-1) & SZ-23 Miss Distance (Miss Distance) Trend

    CSS (TIANHE-1) & SZ-23 Miss Distance (Miss Distance) TrendNot Available

    CSS (TIANHE-1)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 (TIANHE-1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    SZ-23Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CSS (TIANHE-1)

    No nearby objects data