Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.247859E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:32:10+0800
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    1 Object 1

    AOE ID 52121
    NORAD ID 52121
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68043
    NORAD ID 68043
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3678 STARLINK-36902
    Time of Closest Approach 2026-10-23T16:31:35+0000
    Collision Probability (Pc) 1.247859E-4
    Conjunction Distance (km) 0.466 km
    Relative Speed (km/s) 4.781 km/s
    Conjunction Risk Parameters R (Radial): -0.46 | I (In-track): 0.065 | C (Cross-track): -0.023
    Collision Risk Index (CRI) 0.77
    X Position (km) -4315.236 -4314.947
    Position Y (km) 34.872 34.802
    Position Z (km) 5298.185 5297.827
    Velocity X (km/s) 1.797 -1.913
    Velocity Y (km/s) -7.27 -7.241
    Velocity Z (km/s) 1.507 -1.507

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3678 STARLINK-36902
    Semimajor Axis (a) 6840.859 km 6840.820 km
    Eccentricity (e) 0.000120 0.000131
    Inclination (i) 53.1615° 53.1588°
    RAAN 126.0162° 78.5045°
    Perigee Argument 90.1020° 87.2241°
    Mean Anomaly (M) 270.0120° 272.8911°
    Apogee 463.545 km 463.580 km
    Perigee 461.899 km 461.786 km
    Orbit Epoch 2026-10-20T19:24:54+0000 2026-10-21T03:06:36+0000

    STARLINK-3678 & STARLINK-36902 Collision Probability (Pc) Trend

    STARLINK-3678 & STARLINK-36902 Collision Probability (Pc) TrendNot Available

    STARLINK-3678 & STARLINK-36902 Miss Distance (Miss Distance) Trend

    STARLINK-3678 & STARLINK-36902 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36902Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36902Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3678

    No nearby objects data