Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.544569E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:30:49+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51970
    NORAD ID 51970
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67583
    NORAD ID 67583
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3677 STARLINK-36577
    Time of Closest Approach 2026-10-21T09:09:06+0000
    Collision Probability (Pc) 5.544569E-6
    Conjunction Distance (km) 1.466 km
    Relative Speed (km/s) 10.027 km/s
    Conjunction Risk Parameters R (Radial): 1.405 | I (In-track): -0.323 | C (Cross-track): -0.267
    Collision Risk Index (CRI) 0.5
    X Position (km) -4349.084 -4348.471
    Position Y (km) -121.13 -121.31
    Position Z (km) 5279.709 5278.39
    Velocity X (km/s) -1.758 -5.818
    Velocity Y (km/s) -7.253 1.361
    Velocity Z (km/s) -1.61 -4.75

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3677 STARLINK-36577
    Semimajor Axis (a) 6848.911 km 6843.655 km
    Eccentricity (e) 0.000127 0.000182
    Inclination (i) 53.1579° 97.2860°
    RAAN 76.2857° 350.4566°
    Perigee Argument 64.7188° 313.5700°
    Mean Anomaly (M) 295.3945° 46.5391°
    Apogee 471.644 km 466.764 km
    Perigee 469.904 km 464.272 km
    Orbit Epoch 2026-10-19T09:42:50+0000 2026-10-19T03:20:46+0000

    STARLINK-3677 & STARLINK-36577 Collision Probability (Pc) Trend

    STARLINK-3677 & STARLINK-36577 Collision Probability (Pc) TrendNot Available

    STARLINK-3677 & STARLINK-36577 Miss Distance (Miss Distance) Trend

    STARLINK-3677 & STARLINK-36577 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3677Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36577Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3677Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36577Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3677

    No nearby objects data