Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.800318E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T04:15:40+0800
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    1 Object 1

    AOE ID 46075
    NORAD ID 46075
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51968
    NORAD ID 51968
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1551 STARLINK-3681
    Time of Closest Approach 2026-10-18T03:35:18+0000
    Collision Probability (Pc) 1.800318E-4
    Conjunction Distance (km) 0.447 km
    Relative Speed (km/s) 7.644 km/s
    Conjunction Risk Parameters R (Radial): 0.443 | I (In-track): -0.047 | C (Cross-track): 0.03
    Collision Risk Index (CRI) 0.8
    X Position (km) -4516.781 -4517.089
    Position Y (km) -1437.174 -1437.213
    Position Z (km) 4933.56 4933.88
    Velocity X (km/s) 4.635 -0.626
    Velocity Y (km/s) -5.46 -7.135
    Velocity Z (km/s) 2.642 -2.644

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1551 STARLINK-3681
    Semimajor Axis (a) 6847.350 km 6848.873 km
    Eccentricity (e) 0.000342 0.000114
    Inclination (i) 53.1597° 53.1595°
    RAAN 150.6682° 72.3829°
    Perigee Argument 169.4596° 90.1518°
    Mean Anomaly (M) 190.6478° 269.9614°
    Apogee 471.559 km 471.515 km
    Perigee 466.867 km 469.957 km
    Orbit Epoch 2026-10-17T05:23:35+0000 2026-10-17T09:51:36+0000

    STARLINK-1551 & STARLINK-3681 Collision Probability (Pc) Trend

    STARLINK-1551 & STARLINK-3681 Collision Probability (Pc) TrendNot Available

    STARLINK-1551 & STARLINK-3681 Miss Distance (Miss Distance) Trend

    STARLINK-1551 & STARLINK-3681 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1551Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3681Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1551Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3681Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1551

    No nearby objects data