Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.019243E-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 59197
    NORAD ID 59197
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30391 STARLINK-31275
    Time of Closest Approach 2026-10-28T22:49:41+0000
    Collision Probability (Pc) 3.019243E-6
    Conjunction Distance (km) 1.78 km
    Relative Speed (km/s) 9.825 km/s
    Conjunction Risk Parameters R (Radial): -1.761 | I (In-track): 0.197 | C (Cross-track): 0.159
    Collision Risk Index (CRI) 0.45
    X Position (km) -6300.601 -6298.912
    Position Y (km) -1839.809 -1839.579
    Position Z (km) -2007.486 -2006.976
    Velocity X (km/s) 3.009 0.255
    Velocity Y (km/s) -5.192 -5.997
    Velocity Z (km/s) -4.697 4.7

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30391 STARLINK-31275
    Semimajor Axis (a) 6858.512 km 6861.081 km
    Eccentricity (e) 0.000564 0.000397
    Inclination (i) 42.9941° 43.0148°
    RAAN 6.9386° 225.3770°
    Perigee Argument 10.3648° 243.3415°
    Mean Anomaly (M) 349.7319° 116.7031°
    Apogee 484.244 km 485.666 km
    Perigee 476.506 km 480.222 km
    Orbit Epoch 2026-10-27T05:09:29+0000 2026-10-27T04:34:14+0000

    STARLINK-30391 & STARLINK-31275 Collision Probability (Pc) Trend

    STARLINK-30391 & STARLINK-31275 Collision Probability (Pc) TrendNot Available

    STARLINK-30391 & STARLINK-31275 Miss Distance (Miss Distance) Trend

    STARLINK-30391 & STARLINK-31275 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31275Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31275Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30391

    No nearby objects data