Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.828289E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:45:52+0800
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    1 Object 1

    AOE ID 58703
    NORAD ID 58703
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66496
    NORAD ID 66496
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-35909
    Time of Closest Approach 2026-10-28T13:08:14+0000
    Collision Probability (Pc) 6.828289E-6
    Conjunction Distance (km) 1.284 km
    Relative Speed (km/s) 7.097 km/s
    Conjunction Risk Parameters R (Radial): 0.105 | I (In-track): 1.131 | C (Cross-track): 0.598
    Collision Risk Index (CRI) 0.52
    X Position (km) 4022.517 4022.814
    Position Y (km) -5436.619 -5436.275
    Position Z (km) -1164.802 -1166.002
    Velocity X (km/s) -1.567 4.033
    Velocity Y (km/s) 0.43 4.06
    Velocity Z (km/s) -7.448 -5.037

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-35909
    Semimajor Axis (a) 6860.816 km 6861.094 km
    Eccentricity (e) 0.000415 0.000214
    Inclination (i) 97.4631° 42.9913°
    RAAN 126.5111° 123.4251°
    Perigee Argument 221.0289° 302.9360°
    Mean Anomaly (M) 139.0638° 57.1286°
    Apogee 485.526 km 484.425 km
    Perigee 479.832 km 481.489 km
    Orbit Epoch 2026-10-27T06:26:29+0000 2026-10-27T04:54:21+0000

    TIANMU-1 18 & STARLINK-35909 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-35909 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-35909 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-35909 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data