Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.878238E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:02:16+0800
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    1 Object 1

    AOE ID 53576
    NORAD ID 53576
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62666
    NORAD ID 62666
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4581 FLOCK 4G 1
    Time of Closest Approach 2026-10-21T14:29:18+0000
    Collision Probability (Pc) 5.878238E-6
    Conjunction Distance (km) 1.471 km
    Relative Speed (km/s) 11.095 km/s
    Conjunction Risk Parameters R (Radial): -0.46 | I (In-track): 0.962 | C (Cross-track): -1.013
    Collision Risk Index (CRI) 0.5
    X Position (km) 3738.356 3738.128
    Position Y (km) 1826.5 1825.514
    Position Z (km) -5447.274 -5448.341
    Velocity X (km/s) -2.474 6.027
    Velocity Y (km/s) 7.172 1.145
    Velocity Z (km/s) 0.708 4.517

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4581 FLOCK 4G 1
    Semimajor Axis (a) 6848.708 km 6847.900 km
    Eccentricity (e) 0.000128 0.000317
    Inclination (i) 53.1588° 97.3943°
    RAAN 114.6798° 13.8330°
    Perigee Argument 74.6388° 220.4021°
    Mean Anomaly (M) 285.4755° 139.6985°
    Apogee 471.449 km 471.935 km
    Perigee 469.693 km 467.591 km
    Orbit Epoch 2026-10-19T12:44:25+0000 2026-10-19T04:43:19+0000

    STARLINK-4581 & FLOCK 4G 1 Collision Probability (Pc) Trend

    STARLINK-4581 & FLOCK 4G 1 Collision Probability (Pc) TrendNot Available

    STARLINK-4581 & FLOCK 4G 1 Miss Distance (Miss Distance) Trend

    STARLINK-4581 & FLOCK 4G 1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4581Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4581Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4581

    No nearby objects data