Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.201919E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T15:49:05+0800
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    1 Object 1

    AOE ID 48571
    NORAD ID 48571
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57843
    NORAD ID 57843
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2221 STARLINK-30423
    Time of Closest Approach 2026-10-20T09:32:58+0000
    Collision Probability (Pc) 1.201919E-6
    Conjunction Distance (km) 2.931 km
    Relative Speed (km/s) 11.653 km/s
    Conjunction Risk Parameters R (Radial): -2.004 | I (In-track): -1.392 | C (Cross-track): 1.623
    Collision Risk Index (CRI) 0.37
    X Position (km) 5805.009 5807.569
    Position Y (km) -2568.132 -2566.926
    Position Z (km) 2559.106 2559.868
    Velocity X (km/s) 3.996 -0.005
    Velocity Y (km/s) 3.629 5.397
    Velocity Z (km/s) -5.401 5.399

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2221 STARLINK-30423
    Semimajor Axis (a) 6848.368 km 6848.863 km
    Eccentricity (e) 0.000171 0.000155
    Inclination (i) 53.1580° 53.1598°
    RAAN 193.0072° 332.2593°
    Perigee Argument 119.7689° 90.0674°
    Mean Anomaly (M) 240.3482° 270.0505°
    Apogee 471.400 km 471.787 km
    Perigee 469.062 km 469.665 km
    Orbit Epoch 2026-10-16T06:14:59+0000 2026-10-17T10:57:30+0000

    STARLINK-2221 & STARLINK-30423 Collision Probability (Pc) Trend

    STARLINK-2221 & STARLINK-30423 Collision Probability (Pc) TrendNot Available

    STARLINK-2221 & STARLINK-30423 Miss Distance (Miss Distance) Trend

    STARLINK-2221 & STARLINK-30423 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30423Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30423Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2221

    No nearby objects data