Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.488278E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:00:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53404
    NORAD ID 53404
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69342
    NORAD ID 69342
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4509 STARLINK-37782
    Time of Closest Approach 2026-10-18T22:51:19+0000
    Collision Probability (Pc) 1.488278E-6
    Conjunction Distance (km) 2.723 km
    Relative Speed (km/s) 14.19 km/s
    Conjunction Risk Parameters R (Radial): -2.595 | I (In-track): -0.297 | C (Cross-track): 0.765
    Collision Risk Index (CRI) 0.38
    X Position (km) -3585.192 -3583.521
    Position Y (km) 3737.716 3736.987
    Position Z (km) -4489.4 -4487.378
    Velocity X (km/s) -6.467 4.327
    Velocity Y (km/s) -1.997 -2.664
    Velocity Z (km/s) 3.506 -5.681

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4509 STARLINK-37782
    Semimajor Axis (a) 6848.858 km 6843.656 km
    Eccentricity (e) 0.000144 0.000275
    Inclination (i) 53.1587° 97.2854°
    RAAN 178.2442° 319.7397°
    Perigee Argument 90.2243° 89.5223°
    Mean Anomaly (M) 269.8923° 270.6335°
    Apogee 471.708 km 467.401 km
    Perigee 469.734 km 463.637 km
    Orbit Epoch 2026-10-18T02:44:12+0000 2026-10-18T12:29:50+0000

    STARLINK-4509 & STARLINK-37782 Collision Probability (Pc) Trend

    STARLINK-4509 & STARLINK-37782 Collision Probability (Pc) TrendNot Available

    STARLINK-4509 & STARLINK-37782 Miss Distance (Miss Distance) Trend

    STARLINK-4509 & STARLINK-37782 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37782Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37782Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4509

    No nearby objects data