Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.791731E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:39:17+0800
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    1 Object 1

    AOE ID 53600
    NORAD ID 53600
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64764
    NORAD ID 64764
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4677 STARLINK-34261
    Time of Closest Approach 2026-10-23T07:17:53+0000
    Collision Probability (Pc) 5.791731E-7
    Conjunction Distance (km) 2.669 km
    Relative Speed (km/s) 2.38 km/s
    Conjunction Risk Parameters R (Radial): -0.14 | I (In-track): 2.633 | C (Cross-track): 0.416
    Collision Risk Index (CRI) 0.3
    X Position (km) 4148.015 4148.163
    Position Y (km) 100.443 97.78
    Position Z (km) 5428.748 5428.86
    Velocity X (km/s) -1.125 0.768
    Velocity Y (km/s) 7.521 7.566
    Velocity Z (km/s) 0.719 -0.722

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4677 STARLINK-34261
    Semimajor Axis (a) 6840.869 km 6840.839 km
    Eccentricity (e) 0.000143 0.000063
    Inclination (i) 53.1569° 53.1607°
    RAAN 296.6507° 273.9171°
    Perigee Argument 85.2711° 85.8609°
    Mean Anomaly (M) 274.8454° 274.2466°
    Apogee 463.710 km 463.136 km
    Perigee 461.754 km 462.268 km
    Orbit Epoch 2026-10-20T07:01:39+0000 2026-10-20T08:32:07+0000

    STARLINK-4677 & STARLINK-34261 Collision Probability (Pc) Trend

    STARLINK-4677 & STARLINK-34261 Collision Probability (Pc) TrendNot Available

    STARLINK-4677 & STARLINK-34261 Miss Distance (Miss Distance) Trend

    STARLINK-4677 & STARLINK-34261 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4677Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34261Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4677Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34261Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4677

    No nearby objects data