Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.332859E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T18:38:44+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 59252
    NORAD ID 59252
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-31393
    Time of Closest Approach 2026-10-30T01:04:04+0000
    Collision Probability (Pc) 1.332859E-6
    Conjunction Distance (km) 2.815 km
    Relative Speed (km/s) 12.732 km/s
    Conjunction Risk Parameters R (Radial): -1.445 | I (In-track): -1.328 | C (Cross-track): -2.016
    Collision Risk Index (CRI) 0.37
    X Position (km) 3700.621 3697.834
    Position Y (km) -3586.572 -3586.316
    Position Z (km) 4522.742 4523.033
    Velocity X (km/s) 2.644 4.342
    Velocity Y (km/s) -4.398 6.132
    Velocity Z (km/s) -5.641 1.31

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-31393
    Semimajor Axis (a) 6860.789 km 6861.225 km
    Eccentricity (e) 0.000424 0.000140
    Inclination (i) 97.4633° 43.0030°
    RAAN 127.8883° 254.6592°
    Perigee Argument 214.9782° 277.7880°
    Mean Anomaly (M) 145.1179° 195.1174°
    Apogee 485.561 km 484.046 km
    Perigee 479.743 km 482.130 km
    Orbit Epoch 2026-10-28T15:27:11+0000 2026-10-28T10:00:02+0000

    TIANMU-1 18 & STARLINK-31393 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-31393 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-31393 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-31393 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31393Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31393Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data