Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.167153E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:13:16+0800
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    1 Object 1

    AOE ID 53676
    NORAD ID 53676
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66492
    NORAD ID 66492
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4621 STARLINK-35673
    Time of Closest Approach 2026-10-21T08:02:50+0000
    Collision Probability (Pc) 1.167153E-6
    Conjunction Distance (km) 2.462 km
    Relative Speed (km/s) 7.047 km/s
    Conjunction Risk Parameters R (Radial): -0.885 | I (In-track): -2.04 | C (Cross-track): 1.055
    Collision Risk Index (CRI) 0.36
    X Position (km) 6572.773 6573.506
    Position Y (km) -1679.099 -1678.462
    Position Z (km) -1025.227 -1027.488
    Velocity X (km/s) -1.328 0.654
    Velocity Y (km/s) -0.669 5.652
    Velocity Z (km/s) -7.477 -5.075

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4621 STARLINK-35673
    Semimajor Axis (a) 6857.404 km 6861.148 km
    Eccentricity (e) 0.000176 0.000124
    Inclination (i) 97.2861° 43.0003°
    RAAN 165.9597° 163.9095°
    Perigee Argument 107.5296° 269.3492°
    Mean Anomaly (M) 166.4868° 90.7218°
    Apogee 480.473 km 483.861 km
    Perigee 478.061 km 482.161 km
    Orbit Epoch 2026-10-20T12:00:03+0000 2026-10-19T23:49:24+0000

    STARLINK-4621 & STARLINK-35673 Collision Probability (Pc) Trend

    STARLINK-4621 & STARLINK-35673 Collision Probability (Pc) TrendNot Available

    STARLINK-4621 & STARLINK-35673 Miss Distance (Miss Distance) Trend

    STARLINK-4621 & STARLINK-35673 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4621Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35673Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4621Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35673Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4621

    No nearby objects data