Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.252003E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:48:47+0800
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    1 Object 1

    AOE ID 57817
    NORAD ID 57817
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59317
    NORAD ID 59317
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30391 STARLINK-31349
    Time of Closest Approach 2026-10-29T14:47:13+0000
    Collision Probability (Pc) 2.252003E-6
    Conjunction Distance (km) 1.128 km
    Relative Speed (km/s) 0.347 km/s
    Conjunction Risk Parameters R (Radial): 0.584 | I (In-track): 0.965 | C (Cross-track): 0.016
    Collision Risk Index (CRI) 0.42
    X Position (km) -738.513 -737.621
    Position Y (km) -4968.248 -4968.809
    Position Z (km) -4677.294 -4677.696
    Velocity X (km/s) 7.549 7.514
    Velocity Y (km/s) -1.007 -1.242
    Velocity Z (km/s) -0.117 0.135

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30391 STARLINK-31349
    Semimajor Axis (a) 6858.512 km 6861.201 km
    Eccentricity (e) 0.000564 0.000113
    Inclination (i) 42.9941° 42.9978°
    RAAN 6.9386° 3.1087°
    Perigee Argument 10.3648° 294.7212°
    Mean Anomaly (M) 349.7319° 65.3521°
    Apogee 484.244 km 483.843 km
    Perigee 476.506 km 482.285 km
    Orbit Epoch 2026-10-27T05:09:29+0000 2026-10-27T05:06:37+0000

    STARLINK-30391 & STARLINK-31349 Collision Probability (Pc) Trend

    STARLINK-30391 & STARLINK-31349 Collision Probability (Pc) TrendNot Available

    STARLINK-30391 & STARLINK-31349 Miss Distance (Miss Distance) Trend

    STARLINK-30391 & STARLINK-31349 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31349Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31349Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30391

    No nearby objects data