Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.593059E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:45:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 69687
    NORAD ID 69687
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69976
    NORAD ID 69976
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-37977 STARLINK-37993
    Time of Closest Approach 2026-10-21T20:13:36+0000
    Collision Probability (Pc) 4.593059E-7
    Conjunction Distance (km) 2.217 km
    Relative Speed (km/s) 0.629 km/s
    Conjunction Risk Parameters R (Radial): -2.188 | I (In-track): 0.35 | C (Cross-track): -0.011
    Collision Risk Index (CRI) 0.28
    X Position (km) 577.134 577.214
    Position Y (km) 648.682 648.246
    Position Z (km) 6780.719 6778.547
    Velocity X (km/s) 5.933 5.523
    Velocity Y (km/s) -4.802 -5.272
    Velocity Z (km/s) -0.045 0.034

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-37977 STARLINK-37993
    Semimajor Axis (a) 6843.783 km 6843.642 km
    Eccentricity (e) 0.000053 0.000287
    Inclination (i) 97.2837° 97.2874°
    RAAN 138.7914° 134.2916°
    Perigee Argument 356.0548° 91.1928°
    Mean Anomaly (M) 4.0690° 268.9643°
    Apogee 466.011 km 467.469 km
    Perigee 465.281 km 463.541 km
    Orbit Epoch 2026-10-19T13:01:15+0000 2026-10-19T19:17:23+0000

    STARLINK-37977 & STARLINK-37993 Collision Probability (Pc) Trend

    STARLINK-37977 & STARLINK-37993 Collision Probability (Pc) TrendNot Available

    STARLINK-37977 & STARLINK-37993 Miss Distance (Miss Distance) Trend

    STARLINK-37977 & STARLINK-37993 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-37977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37993Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-37977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37993Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-37977

    No nearby objects data