Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.760597E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:48:22+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65480
    NORAD ID 65480
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-35040
    Time of Closest Approach 2026-10-20T14:34:37+0000
    Collision Probability (Pc) 2.760597E-5
    Conjunction Distance (km) 0.687 km
    Relative Speed (km/s) 2.4 km/s
    Conjunction Risk Parameters R (Radial): -0.68 | I (In-track): -0.084 | C (Cross-track): 0.011
    Collision Risk Index (CRI) 0.64
    X Position (km) 3593.958 3593.644
    Position Y (km) 2075.463 2075.184
    Position Z (km) 5428.156 5427.613
    Velocity X (km/s) -4.599 -2.947
    Velocity Y (km/s) 6.056 7.01
    Velocity Z (km/s) 0.728 -0.727

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-35040
    Semimajor Axis (a) 6840.854 km 6840.619 km
    Eccentricity (e) 0.000125 0.000137
    Inclination (i) 53.1607° 53.1591°
    RAAN 316.8780° 294.8759°
    Perigee Argument 86.3292° 71.7214°
    Mean Anomaly (M) 273.7853° 288.3937°
    Apogee 463.572 km 463.420 km
    Perigee 461.862 km 461.544 km
    Orbit Epoch 2026-10-19T10:04:40+0000 2026-10-19T06:53:42+0000

    STARLINK-3977 & STARLINK-35040 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-35040 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-35040 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-35040 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35040Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35040Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data