Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.451085E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T08:28:02+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53423
    NORAD ID 53423
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64437
    NORAD ID 64437
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4539 STARLINK-34507
    Time of Closest Approach 2026-10-18T00:44:13+0000
    Collision Probability (Pc) 8.451085E-7
    Conjunction Distance (km) 2.939 km
    Relative Speed (km/s) 6.243 km/s
    Conjunction Risk Parameters R (Radial): -2.62 | I (In-track): -1.213 | C (Cross-track): -0.54
    Collision Risk Index (CRI) 0.34
    X Position (km) 960.299 959.436
    Position Y (km) 4031.295 4032.56
    Position Z (km) -5459.874 -5462.382
    Velocity X (km/s) -7.53 -5.352
    Velocity Y (km/s) 1.014 -3.87
    Velocity Z (km/s) -0.576 -3.797

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4539 STARLINK-34507
    Semimajor Axis (a) 6848.847 km 6852.664 km
    Eccentricity (e) 0.000123 0.000328
    Inclination (i) 53.1603° 70.0013°
    RAAN 178.5399° 229.9535°
    Perigee Argument 103.1719° 275.3083°
    Mean Anomaly (M) 256.9420° 84.7718°
    Apogee 471.556 km 476.773 km
    Perigee 469.864 km 472.281 km
    Orbit Epoch 2026-10-17T09:29:34+0000 2026-10-17T06:26:45+0000

    STARLINK-4539 & STARLINK-34507 Collision Probability (Pc) Trend

    STARLINK-4539 & STARLINK-34507 Collision Probability (Pc) TrendNot Available

    STARLINK-4539 & STARLINK-34507 Miss Distance (Miss Distance) Trend

    STARLINK-4539 & STARLINK-34507 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34507Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4539Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34507Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4539

    No nearby objects data