Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.889754E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:41:53+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 59417
    NORAD ID 59417
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-31401
    Time of Closest Approach 2026-10-29T17:16:01+0000
    Collision Probability (Pc) 4.889754E-5
    Conjunction Distance (km) 0.737 km
    Relative Speed (km/s) 8.117 km/s
    Conjunction Risk Parameters R (Radial): 0.662 | I (In-track): 0.276 | C (Cross-track): -0.169
    Collision Risk Index (CRI) 0.69
    X Position (km) 4129.191 4128.601
    Position Y (km) -4436.484 -4436.046
    Position Z (km) 3209.862 3209.814
    Velocity X (km/s) 1.59 5.989
    Velocity Y (km/s) -3.353 2.83
    Velocity Z (km/s) -6.663 -3.781

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-31401
    Semimajor Axis (a) 6860.816 km 6861.164 km
    Eccentricity (e) 0.000415 0.000162
    Inclination (i) 97.4631° 43.0016°
    RAAN 126.5111° 181.5331°
    Perigee Argument 221.0289° 271.9383°
    Mean Anomaly (M) 139.0638° 308.4481°
    Apogee 485.526 km 484.138 km
    Perigee 479.832 km 481.916 km
    Orbit Epoch 2026-10-27T06:26:29+0000 2026-10-27T06:00:04+0000

    TIANMU-1 18 & STARLINK-31401 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-31401 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-31401 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-31401 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31401Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31401Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data