Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.103911E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T21:18:07+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 2026-10-17T02:09:38+0000
    Collision Probability (Pc) 6.103911E-5
    Conjunction Distance (km) 0.527 km
    Relative Speed (km/s) 2.4 km/s
    Conjunction Risk Parameters R (Radial): 0.355 | I (In-track): -0.384 | C (Cross-track): -0.062
    Collision Risk Index (CRI) 0.71
    X Position (km) 2859.87 2859.439
    Position Y (km) 3007.429 3007.541
    Position Z (km) 5428.126 5427.846
    Velocity X (km/s) -6.125 -4.811
    Velocity Y (km/s) 4.507 5.889
    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) 6840.865 km 6840.759 km
    Eccentricity (e) 0.000132 0.000137
    Inclination (i) 53.1617° 53.1595°
    RAAN 336.6699° 318.0176°
    Perigee Argument 89.7217° 86.0128°
    Mean Anomaly (M) 270.3937° 274.1031°
    Apogee 463.631 km 463.559 km
    Perigee 461.825 km 461.685 km
    Orbit Epoch 2026-10-15T04:27:57+0000 2026-10-14T08:05:14+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