Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.222219E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T13:25:55+0800
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    1 Object 1

    AOE ID 52634
    NORAD ID 52634
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65917
    NORAD ID 65917
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3974 STARLINK-35478
    Time of Closest Approach 2026-10-17T09:51:24+0000
    Collision Probability (Pc) 4.222219E-6
    Conjunction Distance (km) 1.624 km
    Relative Speed (km/s) 10.833 km/s
    Conjunction Risk Parameters R (Radial): 1.609 | I (In-track): 0.157 | C (Cross-track): -0.153
    Collision Risk Index (CRI) 0.48
    X Position (km) 5791.899 5793.244
    Position Y (km) 442.765 443.087
    Position Z (km) 3598.949 3599.799
    Velocity X (km/s) -3.262 2.441
    Velocity Y (km/s) 5.155 5.591
    Velocity Z (km/s) 4.6 -4.599

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3974 STARLINK-35478
    Semimajor Axis (a) 6837.845 km 6840.900 km
    Eccentricity (e) 0.000119 0.000397
    Inclination (i) 53.1605° 53.1579°
    RAAN 340.6920° 216.1308°
    Perigee Argument 84.3828° 89.9254°
    Mean Anomaly (M) 275.7311° 270.2203°
    Apogee 460.522 km 465.477 km
    Perigee 458.894 km 460.049 km
    Orbit Epoch 2026-10-16T13:22:10+0000 2026-10-16T12:55:58+0000

    STARLINK-3974 & STARLINK-35478 Collision Probability (Pc) Trend

    STARLINK-3974 & STARLINK-35478 Collision Probability (Pc) TrendNot Available

    STARLINK-3974 & STARLINK-35478 Miss Distance (Miss Distance) Trend

    STARLINK-3974 & STARLINK-35478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3974Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3974Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3974

    No nearby objects data