Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.261716E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:36:04+0800
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    1 Object 1

    AOE ID 55109
    NORAD ID 55109
    Object Type PAYLOAD
    Country
    CH CH
    VS

    2 Object 2

    AOE ID 58645
    NORAD ID 58645
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter ASTROCAST-0402 TIANMU-1 11
    Time of Closest Approach 2026-09-13T23:16:51+0000
    Collision Probability (Pc) 5.261716E-4
    Conjunction Distance (km) 0.252 km
    Relative Speed (km/s) 9.151 km/s
    Conjunction Risk Parameters R (Radial): -0.182 | I (In-track): 0.137 | C (Cross-track): 0.107
    Collision Risk Index (CRI) 0.89
    X Position (km) -778.568 -778.465
    Position Y (km) -791.951 -792.093
    Position Z (km) 6756.142 6756.322
    Velocity X (km/s) -7.496 -1.046
    Velocity Y (km/s) 1.202 7.52
    Velocity Z (km/s) -0.721 0.763

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0402 TIANMU-1 11
    Semimajor Axis (a) 6852.320 km 6860.700 km
    Eccentricity (e) 0.000313 0.001033
    Inclination (i) 97.5579° 97.3432°
    RAAN 348.3345° 274.2563°
    Perigee Argument 299.7243° 66.2873°
    Mean Anomaly (M) 60.3686° 293.9449°
    Apogee 476.326 km 489.650 km
    Perigee 472.040 km 475.476 km
    Orbit Epoch 2026-09-10T17:58:56+0000 2026-09-11T00:10:37+0000

    ASTROCAST-0402 & TIANMU-1 11 Collision Probability (Pc) Trend

    ASTROCAST-0402 & TIANMU-1 11 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0402 & TIANMU-1 11 Miss Distance (Miss Distance) Trend

    ASTROCAST-0402 & TIANMU-1 11 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0402Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0402

    No nearby objects data