Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.548354E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:13:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48274
    NORAD ID 48274
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53239
    NORAD ID 53239
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CSS (TIANHE-1) CSS (WENTIAN)
    Time of Closest Approach 2026-09-11T08:48:10+0000
    Collision Probability (Pc) 3.548354E-5
    Conjunction Distance (km) 0.443 km
    Relative Speed (km/s) 0.001 km/s
    Conjunction Risk Parameters R (Radial): -0.001 | I (In-track): 0.443 | C (Cross-track): -0.005
    Collision Risk Index (CRI) 0.66
    X Position (km) 2203.364 2202.957
    Position Y (km) 4576.928 4577.101
    Position Z (km) -4472.067 -4472.087
    Velocity X (km/s) -7.018 -7.018
    Velocity Y (km/s) 3.086 3.086
    Velocity Z (km/s) -0.299 -0.299

    Orbital Parameters 国际轨道数据源

    Parameter CSS (TIANHE-1) CSS (WENTIAN)
    Semimajor Axis (a) 6766.411 km 6766.457 km
    Eccentricity (e) 0.000255 0.000257
    Inclination (i) 41.4685° 41.4685°
    RAAN 162.9751° 165.6984°
    Perigee Argument 269.7151° 268.5604°
    Mean Anomaly (M) 90.3395° 91.4941°
    Apogee 390.003 km 390.057 km
    Perigee 386.545 km 386.583 km
    Orbit Epoch 2026-09-10T16:17:55+0000 2026-09-10T05:32:31+0000

    CSS (TIANHE-1) & CSS (WENTIAN) Collision Probability (Pc) Trend

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

    CSS (TIANHE-1) & CSS (WENTIAN) Miss Distance (Miss Distance) Trend

    CSS (TIANHE-1) & CSS (WENTIAN) Miss Distance (Miss Distance) TrendNot Available

    CSS (TIANHE-1)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CSS (WENTIAN)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CSS (TIANHE-1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    CSS (WENTIAN)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CSS (TIANHE-1)

    No nearby objects data