Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.079592E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T12:51:10+0800
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    1 Object 1

    AOE ID 52703
    NORAD ID 52703
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68055
    NORAD ID 68055
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4020 STARLINK-35998
    Time of Closest Approach 2026-09-14T15:18:00+0000
    Collision Probability (Pc) 1.079592E-6
    Conjunction Distance (km) 2.932 km
    Relative Speed (km/s) 9.649 km/s
    Conjunction Risk Parameters R (Radial): 2.846 | I (In-track): 0.546 | C (Cross-track): 0.447
    Collision Risk Index (CRI) 0.36
    X Position (km) -4530.924 -4532.443
    Position Y (km) -2744.601 -2746.346
    Position Z (km) -4331.387 -4333.188
    Velocity X (km/s) 5.672 0.452
    Velocity Y (km/s) -3.472 -6.634
    Velocity Z (km/s) -3.737 3.736

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4020 STARLINK-35998
    Semimajor Axis (a) 6837.868 km 6840.830 km
    Eccentricity (e) 0.000107 0.000117
    Inclination (i) 53.1619° 53.1564°
    RAAN 7.3154° 264.5169°
    Perigee Argument 83.8853° 83.5841°
    Mean Anomaly (M) 276.2271° 276.5295°
    Apogee 460.460 km 463.495 km
    Perigee 459.002 km 461.891 km
    Orbit Epoch 2026-09-11T15:59:33+0000 2026-09-11T07:48:14+0000

    STARLINK-4020 & STARLINK-35998 Collision Probability (Pc) Trend

    STARLINK-4020 & STARLINK-35998 Collision Probability (Pc) TrendNot Available

    STARLINK-4020 & STARLINK-35998 Miss Distance (Miss Distance) Trend

    STARLINK-4020 & STARLINK-35998 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4020Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35998Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4020Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35998Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4020

    No nearby objects data