Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.605398E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:13:15+0800
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    1 Object 1

    AOE ID 52831
    NORAD ID 52831
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53048
    NORAD ID 53048
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4089 STARLINK-4355
    Time of Closest Approach 2026-09-14T04:01:00+0000
    Collision Probability (Pc) 2.605398E-6
    Conjunction Distance (km) 2.074 km
    Relative Speed (km/s) 14.742 km/s
    Conjunction Risk Parameters R (Radial): -2.065 | I (In-track): -0.063 | C (Cross-track): 0.172
    Collision Risk Index (CRI) 0.43
    X Position (km) -2103.65 -2103.184
    Position Y (km) -6440.651 -6438.662
    Position Z (km) -1012.954 -1012.596
    Velocity X (km/s) 4.119 -0.584
    Velocity Y (km/s) -2.283 1.36
    Velocity Z (km/s) 6.004 -7.485

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4089 STARLINK-4355
    Semimajor Axis (a) 6848.878 km 6843.690 km
    Eccentricity (e) 0.000110 0.000116
    Inclination (i) 53.1587° 97.2845°
    RAAN 271.4053° 70.5418°
    Perigee Argument 70.8570° 80.2497°
    Mean Anomaly (M) 289.2550° 353.2746°
    Apogee 471.494 km 466.345 km
    Perigee 469.988 km 464.761 km
    Orbit Epoch 2026-09-11T08:43:29+0000 2026-09-11T16:00:02+0000

    STARLINK-4089 & STARLINK-4355 Collision Probability (Pc) Trend

    STARLINK-4089 & STARLINK-4355 Collision Probability (Pc) TrendNot Available

    STARLINK-4089 & STARLINK-4355 Miss Distance (Miss Distance) Trend

    STARLINK-4089 & STARLINK-4355 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4089Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4355Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4089Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4355Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4089

    No nearby objects data