Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.424212E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:30:17+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66240
    NORAD ID 66240
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-35546
    Time of Closest Approach 2026-10-20T13:10:36+0000
    Collision Probability (Pc) 1.424212E-6
    Conjunction Distance (km) 2.646 km
    Relative Speed (km/s) 12.207 km/s
    Conjunction Risk Parameters R (Radial): 2.559 | I (In-track): 0.407 | C (Cross-track): -0.537
    Collision Risk Index (CRI) 0.38
    X Position (km) -5233.541 -5235.931
    Position Y (km) 4374.306 4375.425
    Position Z (km) -503.467 -503.653
    Velocity X (km/s) -3.283 -2.604
    Velocity Y (km/s) -3.238 -3.804
    Velocity Z (km/s) 6.088 -6.087

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-35546
    Semimajor Axis (a) 6837.877 km 6840.804 km
    Eccentricity (e) 0.000139 0.000237
    Inclination (i) 53.1575° 53.1565°
    RAAN 150.2903° 323.4969°
    Perigee Argument 88.5503° 91.9549°
    Mean Anomaly (M) 271.5660° 268.1725°
    Apogee 460.692 km 464.289 km
    Perigee 458.788 km 461.045 km
    Orbit Epoch 2026-10-19T01:16:06+0000 2026-10-19T03:32:46+0000

    STARLINK-4121 & STARLINK-35546 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-35546 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-35546 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-35546 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35546Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35546Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data