Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.690938E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T09:44:33+0800
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    1 Object 1

    AOE ID 53676
    NORAD ID 53676
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57634
    NORAD ID 57634
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4621 STARLINK-30323
    Time of Closest Approach 2026-10-19T22:49:39+0000
    Collision Probability (Pc) 2.690938E-6
    Conjunction Distance (km) 1.915 km
    Relative Speed (km/s) 11.238 km/s
    Conjunction Risk Parameters R (Radial): 1.849 | I (In-track): 0.337 | C (Cross-track): -0.369
    Collision Risk Index (CRI) 0.44
    X Position (km) 4989.553 4987.9
    Position Y (km) -681.88 -681.959
    Position Z (km) 4653.88 4652.918
    Velocity X (km/s) 4.88 1.479
    Velocity Y (km/s) -1.996 7.466
    Velocity Z (km/s) -5.509 -0.49

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4621 STARLINK-30323
    Semimajor Axis (a) 6865.392 km 6861.190 km
    Eccentricity (e) 0.000144 0.000122
    Inclination (i) 97.2851° 43.0030°
    RAAN 164.3377° 264.1696°
    Perigee Argument 89.6236° 282.5539°
    Mean Anomaly (M) 26.8425° 77.5176°
    Apogee 488.243 km 483.893 km
    Perigee 486.267 km 482.213 km
    Orbit Epoch 2026-10-18T20:00:02+0000 2026-10-18T07:10:49+0000

    STARLINK-4621 & STARLINK-30323 Collision Probability (Pc) Trend

    STARLINK-4621 & STARLINK-30323 Collision Probability (Pc) TrendNot Available

    STARLINK-4621 & STARLINK-30323 Miss Distance (Miss Distance) Trend

    STARLINK-4621 & STARLINK-30323 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4621Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30323Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4621Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30323Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4621

    No nearby objects data