Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.204531E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:41:27+0800
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    1 Object 1

    AOE ID 54860
    NORAD ID 54860
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58647
    NORAD ID 58647
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5406 TIANMU-1 13
    Time of Closest Approach 2026-10-21T17:45:03+0000
    Collision Probability (Pc) 6.204531E-5
    Conjunction Distance (km) 0.672 km
    Relative Speed (km/s) 7.643 km/s
    Conjunction Risk Parameters R (Radial): 0.519 | I (In-track): 0.368 | C (Cross-track): -0.215
    Collision Risk Index (CRI) 0.71
    X Position (km) -4192.937 -4193.274
    Position Y (km) 4765.669 4765.812
    Position Z (km) -2609.091 -2609.654
    Velocity X (km/s) -3.353 2.684
    Velocity Y (km/s) -5.311 -1.457
    Velocity Z (km/s) -4.318 -6.983

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5406 TIANMU-1 13
    Semimajor Axis (a) 6861.230 km 6860.711 km
    Eccentricity (e) 0.000184 0.000453
    Inclination (i) 43.0051° 97.3422°
    RAAN 294.6279° 312.9912°
    Perigee Argument 271.0590° 236.7222°
    Mean Anomaly (M) 89.0051° 123.3584°
    Apogee 484.354 km 485.682 km
    Perigee 481.832 km 479.466 km
    Orbit Epoch 2026-10-20T01:35:13+0000 2026-10-20T07:51:23+0000

    STARLINK-5406 & TIANMU-1 13 Collision Probability (Pc) Trend

    STARLINK-5406 & TIANMU-1 13 Collision Probability (Pc) TrendNot Available

    STARLINK-5406 & TIANMU-1 13 Miss Distance (Miss Distance) Trend

    STARLINK-5406 & TIANMU-1 13 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5406Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5406Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5406

    No nearby objects data