Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.806211E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:48:11+0800
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    1 Object 1

    AOE ID 51734
    NORAD ID 51734
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3450 TIANMU-1 20
    Time of Closest Approach 2026-09-13T13:10:57+0000
    Collision Probability (Pc) 2.806211E-5
    Conjunction Distance (km) 0.989 km
    Relative Speed (km/s) 14.696 km/s
    Conjunction Risk Parameters R (Radial): -0.743 | I (In-track): 0.17 | C (Cross-track): 0.63
    Collision Risk Index (CRI) 0.64
    X Position (km) 6203.948 6203.186
    Position Y (km) 1860.924 1861.317
    Position Z (km) -2211.492 -2210.999
    Velocity X (km/s) -3.212 2.632
    Velocity Y (km/s) 4.083 -0.302
    Velocity Z (km/s) -5.591 7.159

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3450 TIANMU-1 20
    Semimajor Axis (a) 6840.877 km 6842.169 km
    Eccentricity (e) 0.000126 0.000723
    Inclination (i) 53.1593° 97.4520°
    RAAN 189.9564° 12.4992°
    Perigee Argument 86.9259° 25.5703°
    Mean Anomaly (M) 273.1888° 334.5896°
    Apogee 463.602 km 468.979 km
    Perigee 461.878 km 459.085 km
    Orbit Epoch 2026-09-11T19:39:13+0000 2026-09-11T22:07:32+0000

    STARLINK-3450 & TIANMU-1 20 Collision Probability (Pc) Trend

    STARLINK-3450 & TIANMU-1 20 Collision Probability (Pc) TrendNot Available

    STARLINK-3450 & TIANMU-1 20 Miss Distance (Miss Distance) Trend

    STARLINK-3450 & TIANMU-1 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3450Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3450Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3450

    No nearby objects data