Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.855602E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:45:48+0800
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    1 Object 1

    AOE ID 53243
    NORAD ID 53243
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53845
    NORAD ID 53845
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4047 STARLINK-4753
    Time of Closest Approach 2026-10-21T05:31:40+0000
    Collision Probability (Pc) 3.855602E-6
    Conjunction Distance (km) 1.629 km
    Relative Speed (km/s) 9.593 km/s
    Conjunction Risk Parameters R (Radial): -1.618 | I (In-track): -0.143 | C (Cross-track): -0.113
    Collision Risk Index (CRI) 0.47
    X Position (km) -4366.03 -4366.959
    Position Y (km) -2963.371 -2964.222
    Position Z (km) -4356.928 -4357.96
    Velocity X (km/s) 0.807 5.857
    Velocity Y (km/s) -6.622 -3.193
    Velocity Z (km/s) 3.699 -3.7

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4047 STARLINK-4753
    Semimajor Axis (a) 6837.853 km 6839.655 km
    Eccentricity (e) 0.000140 0.000064
    Inclination (i) 53.1575° 53.1654°
    RAAN 256.9438° 2.5254°
    Perigee Argument 91.5367° 328.1520°
    Mean Anomaly (M) 268.5796° 31.9444°
    Apogee 460.672 km 461.958 km
    Perigee 458.760 km 461.078 km
    Orbit Epoch 2026-10-20T06:19:25+0000 2026-10-19T19:41:48+0000

    STARLINK-4047 & STARLINK-4753 Collision Probability (Pc) Trend

    STARLINK-4047 & STARLINK-4753 Collision Probability (Pc) TrendNot Available

    STARLINK-4047 & STARLINK-4753 Miss Distance (Miss Distance) Trend

    STARLINK-4047 & STARLINK-4753 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4047Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4753Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4047Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4753Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4047

    No nearby objects data