Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.252607E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:37:49+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 65868
    NORAD ID 65868
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-35450
    Time of Closest Approach 2026-10-21T17:19:34+0000
    Collision Probability (Pc) 1.252607E-6
    Conjunction Distance (km) 2.899 km
    Relative Speed (km/s) 12.226 km/s
    Conjunction Risk Parameters R (Radial): -2.603 | I (In-track): 0.766 | C (Cross-track): 1.017
    Collision Risk Index (CRI) 0.37
    X Position (km) -5135.449 -5136.563
    Position Y (km) 4513.741 4516.416
    Position Z (km) 142.373 142.431
    Velocity X (km/s) -2.921 -3.125
    Velocity Y (km/s) -3.528 -3.349
    Velocity Z (km/s) 6.112 -6.111

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-35450
    Semimajor Axis (a) 6837.865 km 6840.827 km
    Eccentricity (e) 0.000124 0.000177
    Inclination (i) 53.1592° 53.1574°
    RAAN 141.7563° 325.8134°
    Perigee Argument 91.3444° 94.7267°
    Mean Anomaly (M) 268.7701° 265.3938°
    Apogee 460.574 km 463.903 km
    Perigee 458.882 km 461.477 km
    Orbit Epoch 2026-10-20T21:00:39+0000 2026-10-20T09:17:16+0000

    STARLINK-4121 & STARLINK-35450 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-35450 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-35450 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-35450 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35450Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35450Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data