Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.365094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:46:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69329
    NORAD ID 69329
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4487 STARLINK-37733
    Time of Closest Approach 2026-10-20T16:55:53+0000
    Collision Probability (Pc) 1.365094E-6
    Conjunction Distance (km) 2.939 km
    Relative Speed (km/s) 14.649 km/s
    Conjunction Risk Parameters R (Radial): -2.923 | I (In-track): -0.083 | C (Cross-track): -0.285
    Collision Risk Index (CRI) 0.38
    X Position (km) 5191.105 5188.696
    Position Y (km) -3666.347 -3664.979
    Position Z (km) -2562.564 -2561.582
    Velocity X (km/s) 1.07 1.702
    Velocity Y (km/s) 5.28 -2.478
    Velocity Z (km/s) -5.399 7.01

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4487 STARLINK-37733
    Semimajor Axis (a) 6848.882 km 6843.738 km
    Eccentricity (e) 0.000133 0.000123
    Inclination (i) 53.1581° 97.2850°
    RAAN 132.5117° 320.9115°
    Perigee Argument 92.1621° 101.6320°
    Mean Anomaly (M) 267.9533° 258.5061°
    Apogee 471.658 km 466.443 km
    Perigee 469.832 km 464.759 km
    Orbit Epoch 2026-10-19T13:24:22+0000 2026-10-19T19:06:08+0000

    STARLINK-4487 & STARLINK-37733 Collision Probability (Pc) Trend

    STARLINK-4487 & STARLINK-37733 Collision Probability (Pc) TrendNot Available

    STARLINK-4487 & STARLINK-37733 Miss Distance (Miss Distance) Trend

    STARLINK-4487 & STARLINK-37733 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37733Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37733Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4487

    No nearby objects data