Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.785217E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:43:04+0800
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    1 Object 1

    AOE ID 52458
    NORAD ID 52458
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67594
    NORAD ID 67594
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3898 STARLINK-36638
    Time of Closest Approach 2026-09-15T02:39:29+0000
    Collision Probability (Pc) 8.785217E-7
    Conjunction Distance (km) 2.906 km
    Relative Speed (km/s) 6.544 km/s
    Conjunction Risk Parameters R (Radial): 2.036 | I (In-track): -1.872 | C (Cross-track): 0.892
    Collision Risk Index (CRI) 0.34
    X Position (km) -4490.199 -4491.803
    Position Y (km) 4080.291 4082.573
    Position Z (km) -3174.627 -3173.815
    Velocity X (km/s) -1.546 3.319
    Velocity Y (km/s) -5.569 -1.542
    Velocity Z (km/s) -4.979 -6.691

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3898 STARLINK-36638
    Semimajor Axis (a) 6843.377 km 6843.637 km
    Eccentricity (e) 0.000113 0.000077
    Inclination (i) 53.1600° 97.2854°
    RAAN 305.1715° 319.4082°
    Perigee Argument 77.6160° 96.1926°
    Mean Anomaly (M) 282.4969° 263.9405°
    Apogee 466.015 km 466.025 km
    Perigee 464.465 km 464.975 km
    Orbit Epoch 2026-09-12T20:32:36+0000 2026-09-12T22:04:30+0000

    STARLINK-3898 & STARLINK-36638 Collision Probability (Pc) Trend

    STARLINK-3898 & STARLINK-36638 Collision Probability (Pc) TrendNot Available

    STARLINK-3898 & STARLINK-36638 Miss Distance (Miss Distance) Trend

    STARLINK-3898 & STARLINK-36638 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3898Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36638Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3898Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36638Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3898

    No nearby objects data