Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.824008E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T15:05:29+0800
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    1 Object 1

    AOE ID 48577
    NORAD ID 48577
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-2231 COSMOS 2550
    Time of Closest Approach 2026-09-10T11:21:27+0000
    Collision Probability (Pc) 2.824008E-6
    Conjunction Distance (km) 1.934 km
    Relative Speed (km/s) 12.646 km/s
    Conjunction Risk Parameters R (Radial): 1.761 | I (In-track): -0.459 | C (Cross-track): -0.654
    Collision Risk Index (CRI) 0.44
    X Position (km) 6013.702 6012.082
    Position Y (km) 1003.598 1004.128
    Position Z (km) 3111.765 3110.851
    Velocity X (km/s) -3.385 2.535
    Velocity Y (km/s) 4.644 3.797
    Velocity Z (km/s) 5.026 -6.117

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2231 COSMOS 2550
    Semimajor Axis (a) 6848.828 km 6842.507 km
    Eccentricity (e) 0.000117 0.000834
    Inclination (i) 53.1610° 67.1423°
    RAAN 351.2611° 203.5743°
    Perigee Argument 74.3024° 268.3470°
    Mean Anomaly (M) 285.8107° 91.6729°
    Apogee 471.496 km 470.081 km
    Perigee 469.886 km 458.659 km
    Orbit Epoch 2026-09-09T13:17:00+0000 2026-09-09T22:11:03+0000

    STARLINK-2231 & COSMOS 2550 Collision Probability (Pc) Trend

    STARLINK-2231 & COSMOS 2550 Collision Probability (Pc) TrendNot Available

    STARLINK-2231 & COSMOS 2550 Miss Distance (Miss Distance) Trend

    STARLINK-2231 & COSMOS 2550 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2231Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2231

    No nearby objects data