Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.833828E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:24:19+0800
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    1 Object 1

    AOE ID 53488
    NORAD ID 53488
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66246
    NORAD ID 66246
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4421 STARLINK-35434
    Time of Closest Approach 2026-10-22T08:00:58+0000
    Collision Probability (Pc) 1.833828E-6
    Conjunction Distance (km) 2.295 km
    Relative Speed (km/s) 12.08 km/s
    Conjunction Risk Parameters R (Radial): -2.279 | I (In-track): -0.168 | C (Cross-track): 0.205
    Collision Risk Index (CRI) 0.4
    X Position (km) -3020.326 -3021.094
    Position Y (km) -2794.675 -2795.628
    Position Z (km) -5478.834 -5480.775
    Velocity X (km/s) 3.277 4.96
    Velocity Y (km/s) 5.225 -5.78
    Velocity Z (km/s) -4.474 0.215

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4421 STARLINK-35434
    Semimajor Axis (a) 6843.746 km 6848.825 km
    Eccentricity (e) 0.000192 0.000129
    Inclination (i) 97.2852° 53.1596°
    RAAN 51.1282° 316.6413°
    Perigee Argument 77.9128° 89.4480°
    Mean Anomaly (M) 282.2329° 270.6669°
    Apogee 466.921 km 471.574 km
    Perigee 464.297 km 469.802 km
    Orbit Epoch 2026-10-20T20:32:44+0000 2026-10-20T18:49:00+0000

    STARLINK-4421 & STARLINK-35434 Collision Probability (Pc) Trend

    STARLINK-4421 & STARLINK-35434 Collision Probability (Pc) TrendNot Available

    STARLINK-4421 & STARLINK-35434 Miss Distance (Miss Distance) Trend

    STARLINK-4421 & STARLINK-35434 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35434Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35434Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4421

    No nearby objects data