Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.024265E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:01:03+0800
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    1 Object 1

    AOE ID 53588
    NORAD ID 53588
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63003
    NORAD ID 63003
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter STARLINK-4691 FOSSASAT2E20 (TAT-O)
    Time of Closest Approach 2026-09-03T09:11:23+0000
    Collision Probability (Pc) 2.024265E-6
    Conjunction Distance (km) 2.308 km
    Relative Speed (km/s) 14.483 km/s
    Conjunction Risk Parameters R (Radial): 1.428 | I (In-track): -0.552 | C (Cross-track): -1.725
    Collision Risk Index (CRI) 0.41
    X Position (km) -4226.136 -4226.064
    Position Y (km) 4007.118 4004.813
    Position Z (km) -3623.966 -3623.894
    Velocity X (km/s) -5.77 3.671
    Velocity Y (km/s) -1.945 -1.906
    Velocity Z (km/s) 4.583 -6.399

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4691 FOSSASAT2E20 (TAT-O)
    Semimajor Axis (a) 6855.303 km 6849.474 km
    Eccentricity (e) 0.000053 0.000419
    Inclination (i) 53.1595° 97.3105°
    RAAN 168.0444° 319.9252°
    Perigee Argument 133.3287° 72.4115°
    Mean Anomaly (M) 100.2079° 287.7584°
    Apogee 477.531 km 474.208 km
    Perigee 476.801 km 468.466 km
    Orbit Epoch 2026-09-02T14:00:02+0000 2026-09-02T04:02:28+0000

    STARLINK-4691 & FOSSASAT2E20 (TAT-O) Collision Probability (Pc) Trend

    STARLINK-4691 & FOSSASAT2E20 (TAT-O) Collision Probability (Pc) TrendNot Available

    STARLINK-4691 & FOSSASAT2E20 (TAT-O) Miss Distance (Miss Distance) Trend

    STARLINK-4691 & FOSSASAT2E20 (TAT-O) Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4691Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FOSSASAT2E20 (TAT-O)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4691Collision Probability Trend

    Object 1 Probability TrendNot Available

    FOSSASAT2E20 (TAT-O)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4691

    No nearby objects data