Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.216973E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:19:27+0800
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    1 Object 1

    AOE ID 53291
    NORAD ID 53291
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66139
    NORAD ID 66139
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4166 STARLINK-35549
    Time of Closest Approach 2026-10-21T11:39:02+0000
    Collision Probability (Pc) 1.216973E-6
    Conjunction Distance (km) 2.94 km
    Relative Speed (km/s) 11.985 km/s
    Conjunction Risk Parameters R (Radial): 2.792 | I (In-track): -0.576 | C (Cross-track): -0.717
    Collision Risk Index (CRI) 0.37
    X Position (km) 3718.627 3720.907
    Position Y (km) 5474.971 5476.689
    Position Z (km) -1729.812 -1730.51
    Velocity X (km/s) -4.761 -3.064
    Velocity Y (km/s) 1.409 3.906
    Velocity Z (km/s) -5.8 5.798

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4166 STARLINK-35549
    Semimajor Axis (a) 6837.839 km 6840.845 km
    Eccentricity (e) 0.000138 0.000138
    Inclination (i) 53.1587° 53.1557°
    RAAN 235.0478° 75.6231°
    Perigee Argument 79.8670° 87.9667°
    Mean Anomaly (M) 280.2488° 272.1494°
    Apogee 460.645 km 463.653 km
    Perigee 458.759 km 461.763 km
    Orbit Epoch 2026-10-19T05:40:31+0000 2026-10-19T15:57:39+0000

    STARLINK-4166 & STARLINK-35549 Collision Probability (Pc) Trend

    STARLINK-4166 & STARLINK-35549 Collision Probability (Pc) TrendNot Available

    STARLINK-4166 & STARLINK-35549 Miss Distance (Miss Distance) Trend

    STARLINK-4166 & STARLINK-35549 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4166Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35549Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4166Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35549Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4166

    No nearby objects data