Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.54583E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:50:32+0800
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    1 Object 1

    AOE ID 51881
    NORAD ID 51881
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65628
    NORAD ID 65628
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3504 STARLINK-35128
    Time of Closest Approach 2026-10-20T21:35:36+0000
    Collision Probability (Pc) 5.54583E-5
    Conjunction Distance (km) 0.688 km
    Relative Speed (km/s) 7.151 km/s
    Conjunction Risk Parameters R (Radial): 0.571 | I (In-track): -0.341 | C (Cross-track): -0.174
    Collision Risk Index (CRI) 0.7
    X Position (km) -921.273 -921.572
    Position Y (km) 4545.863 4545.412
    Position Z (km) 5018.815 5018.393
    Velocity X (km/s) -6.094 -7.139
    Velocity Y (km/s) -3.918 1.235
    Velocity Z (km/s) 2.423 -2.423

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3504 STARLINK-35128
    Semimajor Axis (a) 6840.900 km 6840.823 km
    Eccentricity (e) 0.000112 0.000129
    Inclination (i) 53.1600° 53.1579°
    RAAN 53.6933° 343.6984°
    Perigee Argument 90.3381° 95.7633°
    Mean Anomaly (M) 269.7750° 264.3516°
    Apogee 463.530 km 463.566 km
    Perigee 461.996 km 461.806 km
    Orbit Epoch 2026-10-19T12:28:33+0000 2026-10-19T04:27:32+0000

    STARLINK-3504 & STARLINK-35128 Collision Probability (Pc) Trend

    STARLINK-3504 & STARLINK-35128 Collision Probability (Pc) TrendNot Available

    STARLINK-3504 & STARLINK-35128 Miss Distance (Miss Distance) Trend

    STARLINK-3504 & STARLINK-35128 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3504Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3504Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3504

    No nearby objects data