Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.220494E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T20:59:45+0800
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    1 Object 1

    AOE ID 52625
    NORAD ID 52625
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58383
    NORAD ID 58383
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3988 STARLINK-30921
    Time of Closest Approach 2026-10-29T07:16:04+0000
    Collision Probability (Pc) 1.220494E-5
    Conjunction Distance (km) 1.082 km
    Relative Speed (km/s) 7.019 km/s
    Conjunction Risk Parameters R (Radial): -1.075 | I (In-track): -0.104 | C (Cross-track): 0.055
    Collision Risk Index (CRI) 0.57
    X Position (km) 3235.501 3235.926
    Position Y (km) 3289.119 3289.719
    Position Z (km) 5039.195 5039.988
    Velocity X (km/s) -3.021 -6.655
    Velocity Y (km/s) 6.605 2.91
    Velocity Z (km/s) -2.365 2.368

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3988 STARLINK-30921
    Semimajor Axis (a) 6838.128 km 6840.876 km
    Eccentricity (e) 0.000093 0.000165
    Inclination (i) 53.1512° 53.1623°
    RAAN 290.0132° 1.8353°
    Perigee Argument 320.0943° 64.8111°
    Mean Anomaly (M) 39.9992° 295.3062°
    Apogee 460.625 km 463.866 km
    Perigee 459.357 km 461.612 km
    Orbit Epoch 2026-10-27T06:20:49+0000 2026-10-26T21:08:09+0000

    STARLINK-3988 & STARLINK-30921 Collision Probability (Pc) Trend

    STARLINK-3988 & STARLINK-30921 Collision Probability (Pc) TrendNot Available

    STARLINK-3988 & STARLINK-30921 Miss Distance (Miss Distance) Trend

    STARLINK-3988 & STARLINK-30921 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3988Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30921Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3988Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30921Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3988

    No nearby objects data