Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.980604E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T18:46:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57130
    NORAD ID 57130
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58702
    NORAD ID 58702
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-6172 TIANMU-1 17
    Time of Closest Approach 2026-10-28T04:11:57+0000
    Collision Probability (Pc) 9.980604E-6
    Conjunction Distance (km) 1.246 km
    Relative Speed (km/s) 10.575 km/s
    Conjunction Risk Parameters R (Radial): -0.616 | I (In-track): -0.774 | C (Cross-track): -0.755
    Collision Risk Index (CRI) 0.55
    X Position (km) 2603.949 2604.407
    Position Y (km) -4425.875 -4425.452
    Position Z (km) -4554.214 -4555.292
    Velocity X (km/s) 5.884 -3.664
    Velocity Y (km/s) 4.69 3.619
    Velocity Z (km/s) -1.193 -5.612

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-6172 TIANMU-1 17
    Semimajor Axis (a) 6861.195 km 6860.156 km
    Eccentricity (e) 0.000154 0.000390
    Inclination (i) 43.0000° 97.4614°
    RAAN 57.1044° 125.9333°
    Perigee Argument 282.1996° 246.3180°
    Mean Anomaly (M) 77.8683° 113.7651°
    Apogee 484.116 km 484.693 km
    Perigee 482.000 km 479.345 km
    Orbit Epoch 2026-10-26T14:59:15+0000 2026-10-26T22:56:21+0000

    STARLINK-6172 & TIANMU-1 17 Collision Probability (Pc) Trend

    STARLINK-6172 & TIANMU-1 17 Collision Probability (Pc) TrendNot Available

    STARLINK-6172 & TIANMU-1 17 Miss Distance (Miss Distance) Trend

    STARLINK-6172 & TIANMU-1 17 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-6172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-6172Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-6172

    No nearby objects data