Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.954465E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T17:09:02+0800
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    1 Object 1

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66180
    NORAD ID 66180
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5421 STARLINK-35335
    Time of Closest Approach 2026-10-31T13:16:27+0000
    Collision Probability (Pc) 2.954465E-6
    Conjunction Distance (km) 1.88 km
    Relative Speed (km/s) 12.037 km/s
    Conjunction Risk Parameters R (Radial): -0.734 | I (In-track): -1.066 | C (Cross-track): 1.362
    Collision Risk Index (CRI) 0.44
    X Position (km) 5400.385 5400.817
    Position Y (km) 3892.015 3890.194
    Position Z (km) 1570.119 1569.949
    Velocity X (km/s) -3.877 -1.621
    Velocity Y (km/s) 3.003 4.629
    Velocity Z (km/s) 5.855 -5.855

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5421 STARLINK-35335
    Semimajor Axis (a) 6840.863 km 6840.927 km
    Eccentricity (e) 0.000118 0.000133
    Inclination (i) 53.1603° 53.1578°
    RAAN 39.6200° 241.4006°
    Perigee Argument 90.0789° 86.3414°
    Mean Anomaly (M) 270.0348° 179.4599°
    Apogee 463.531 km 463.698 km
    Perigee 461.921 km 461.882 km
    Orbit Epoch 2026-10-28T13:17:42+0000 2026-10-28T06:00:02+0000

    STARLINK-5421 & STARLINK-35335 Collision Probability (Pc) Trend

    STARLINK-5421 & STARLINK-35335 Collision Probability (Pc) TrendNot Available

    STARLINK-5421 & STARLINK-35335 Miss Distance (Miss Distance) Trend

    STARLINK-5421 & STARLINK-35335 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35335Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35335Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5421

    No nearby objects data