Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.665304E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69141
    NORAD ID 69141
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-37654
    Time of Closest Approach 2026-10-21T18:39:51+0000
    Collision Probability (Pc) 1.665304E-4
    Conjunction Distance (km) 0.541 km
    Relative Speed (km/s) 14.211 km/s
    Conjunction Risk Parameters R (Radial): -0.426 | I (In-track): 0.116 | C (Cross-track): -0.31
    Collision Risk Index (CRI) 0.79
    X Position (km) -2074.703 -2074.408
    Position Y (km) 1231.351 1231.561
    Position Z (km) -6412.819 -6412.418
    Velocity X (km/s) 7.119 -4.318
    Velocity Y (km/s) -1.034 5.755
    Velocity Z (km/s) -2.503 2.503

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-37654
    Semimajor Axis (a) 6843.710 km 6843.643 km
    Eccentricity (e) 0.000095 0.000104
    Inclination (i) 97.2843° 97.2842°
    RAAN 346.5704° 126.6728°
    Perigee Argument 97.4028° 99.0108°
    Mean Anomaly (M) 262.7323° 261.1252°
    Apogee 466.224 km 466.219 km
    Perigee 464.922 km 464.793 km
    Orbit Epoch 2026-10-19T02:55:46+0000 2026-10-18T23:37:57+0000

    STARLINK-4377 & STARLINK-37654 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-37654 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-37654 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-37654 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37654Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37654Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data