Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.040987E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T22:24:44+0800
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    1 Object 1

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69512
    NORAD ID 69512
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4517 STARLINK-37511
    Time of Closest Approach 2026-10-21T15:21:04+0000
    Collision Probability (Pc) 1.040987E-6
    Conjunction Distance (km) 2.892 km
    Relative Speed (km/s) 8.781 km/s
    Conjunction Risk Parameters R (Radial): -2.772 | I (In-track): -0.673 | C (Cross-track): 0.471
    Collision Risk Index (CRI) 0.35
    X Position (km) 3827.337 3828.358
    Position Y (km) 3246.732 3248.675
    Position Z (km) -4651.544 -4653.426
    Velocity X (km/s) -6.31 -1.76
    Velocity Y (km/s) 2.826 6.685
    Velocity Z (km/s) -3.222 3.221

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 STARLINK-37511
    Semimajor Axis (a) 6837.835 km 6840.849 km
    Eccentricity (e) 0.000113 0.000115
    Inclination (i) 53.1588° 53.1584°
    RAAN 183.5048° 92.8140°
    Perigee Argument 84.1160° 86.1576°
    Mean Anomaly (M) 275.9972° 273.9558°
    Apogee 460.473 km 463.498 km
    Perigee 458.923 km 461.926 km
    Orbit Epoch 2026-10-20T02:23:15+0000 2026-10-19T19:50:03+0000

    STARLINK-4517 & STARLINK-37511 Collision Probability (Pc) Trend

    STARLINK-4517 & STARLINK-37511 Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & STARLINK-37511 Miss Distance (Miss Distance) Trend

    STARLINK-4517 & STARLINK-37511 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37511Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37511Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data