Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.550011E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:56:08+0800
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    1 Object 1

    AOE ID 55385
    NORAD ID 55385
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66561
    NORAD ID 66561
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5556 STARLINK-35305
    Time of Closest Approach 2026-10-21T11:19:53+0000
    Collision Probability (Pc) 1.550011E-5
    Conjunction Distance (km) 0.83 km
    Relative Speed (km/s) 2.578 km/s
    Conjunction Risk Parameters R (Radial): -0.783 | I (In-track): -0.266 | C (Cross-track): 0.047
    Collision Risk Index (CRI) 0.59
    X Position (km) 3437.907 3437.714
    Position Y (km) 3760.103 3759.491
    Position Z (km) -4599.584 -4599.059
    Velocity X (km/s) -4.958 -6.123
    Velocity Y (km/s) 5.704 4.43
    Velocity Z (km/s) 0.957 -0.956

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5556 STARLINK-35305
    Semimajor Axis (a) 6861.204 km 6861.121 km
    Eccentricity (e) 0.000104 0.000146
    Inclination (i) 43.0024° 42.9991°
    RAAN 137.1511° 165.8386°
    Perigee Argument 232.1648° 258.5467°
    Mean Anomaly (M) 127.9109° 101.5220°
    Apogee 483.780 km 483.988 km
    Perigee 482.354 km 481.980 km
    Orbit Epoch 2026-10-19T00:02:44+0000 2026-10-19T00:08:29+0000

    STARLINK-5556 & STARLINK-35305 Collision Probability (Pc) Trend

    STARLINK-5556 & STARLINK-35305 Collision Probability (Pc) TrendNot Available

    STARLINK-5556 & STARLINK-35305 Miss Distance (Miss Distance) Trend

    STARLINK-5556 & STARLINK-35305 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35305Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5556Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35305Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5556

    No nearby objects data