Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.340214E-6
    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 2026-10-21T08:29:05+0000
    Collision Probability (Pc) 2.340214E-6
    Conjunction Distance (km) 2.15 km
    Relative Speed (km/s) 14.243 km/s
    Conjunction Risk Parameters R (Radial): -0.5 | I (In-track): -0.748 | C (Cross-track): -1.952
    Collision Risk Index (CRI) 0.42
    X Position (km) 2057.929 2058.855
    Position Y (km) -1243.202 -1241.319
    Position Z (km) 6399.65 6399.184
    Velocity X (km/s) -7.13 4.288
    Velocity Y (km/s) 1.09 -5.801
    Velocity Z (km/s) 2.499 -2.499

    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