Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.072578E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:41:41+0800
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    1 Object 1

    AOE ID 57139
    NORAD ID 57139
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57530
    NORAD ID 57530
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5355 STARLINK-30270
    Time of Closest Approach 2026-10-21T17:34:29+0000
    Collision Probability (Pc) 1.072578E-6
    Conjunction Distance (km) 2.701 km
    Relative Speed (km/s) 7.872 km/s
    Conjunction Risk Parameters R (Radial): 1.283 | I (In-track): -2.032 | C (Cross-track): 1.233
    Collision Risk Index (CRI) 0.36
    X Position (km) -5280.698 -5278.687
    Position Y (km) -2528.952 -2530.624
    Position Z (km) 3570.466 3569.792
    Velocity X (km/s) 0.97 4.676
    Velocity Y (km/s) -6.779 -5.005
    Velocity Z (km/s) -3.357 3.357

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5355 STARLINK-30270
    Semimajor Axis (a) 6861.195 km 6861.155 km
    Eccentricity (e) 0.000231 0.000144
    Inclination (i) 43.0028° 43.0000°
    RAAN 79.5224° 179.5681°
    Perigee Argument 283.0109° 265.2293°
    Mean Anomaly (M) 77.0484° 94.8393°
    Apogee 484.647 km 484.009 km
    Perigee 481.469 km 482.027 km
    Orbit Epoch 2026-10-19T10:04:58+0000 2026-10-19T02:35:21+0000

    STARLINK-5355 & STARLINK-30270 Collision Probability (Pc) Trend

    STARLINK-5355 & STARLINK-30270 Collision Probability (Pc) TrendNot Available

    STARLINK-5355 & STARLINK-30270 Miss Distance (Miss Distance) Trend

    STARLINK-5355 & STARLINK-30270 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5355Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30270Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5355Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30270Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5355

    No nearby objects data