Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.591818E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:06:27+0800
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    1 Object 1

    AOE ID 48284
    NORAD ID 48284
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53654
    NORAD ID 53654
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2564 STARLINK-4420
    Time of Closest Approach 2026-10-20T01:58:52+0000
    Collision Probability (Pc) 1.591818E-6
    Conjunction Distance (km) 2.235 km
    Relative Speed (km/s) 8.712 km/s
    Conjunction Risk Parameters R (Radial): -2.22 | I (In-track): -0.202 | C (Cross-track): 0.144
    Collision Risk Index (CRI) 0.39
    X Position (km) 4545.185 4543.836
    Position Y (km) -1489.971 -1489.634
    Position Z (km) -4909.036 -4907.287
    Velocity X (km/s) -0.611 -5.529
    Velocity Y (km/s) 7.093 0.356
    Velocity Z (km/s) -2.72 -5.232

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2564 STARLINK-4420
    Semimajor Axis (a) 6848.825 km 6843.701 km
    Eccentricity (e) 0.000102 0.000228
    Inclination (i) 53.1584° 97.2844°
    RAAN 117.5217° 168.4514°
    Perigee Argument 86.2028° 85.5391°
    Mean Anomaly (M) 273.9090° 274.6113°
    Apogee 471.386 km 467.126 km
    Perigee 469.990 km 464.002 km
    Orbit Epoch 2026-10-18T19:10:09+0000 2026-10-19T03:04:21+0000

    STARLINK-2564 & STARLINK-4420 Collision Probability (Pc) Trend

    STARLINK-2564 & STARLINK-4420 Collision Probability (Pc) TrendNot Available

    STARLINK-2564 & STARLINK-4420 Miss Distance (Miss Distance) Trend

    STARLINK-2564 & STARLINK-4420 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2564Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2564Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2564

    No nearby objects data