Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.889079E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T16:24:37+0800
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    1 Object 1

    AOE ID 49414
    NORAD ID 49414
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69145
    NORAD ID 69145
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3146 STARLINK-37657
    Time of Closest Approach 2026-09-13T21:34:23+0000
    Collision Probability (Pc) 7.889079E-7
    Conjunction Distance (km) 2.999 km
    Relative Speed (km/s) 5.733 km/s
    Conjunction Risk Parameters R (Radial): 2.369 | I (In-track): 1.702 | C (Cross-track): -0.695
    Collision Risk Index (CRI) 0.33
    X Position (km) 261.673 262.227
    Position Y (km) -6838.849 -6841.218
    Position Z (km) 77.723 75.971
    Velocity X (km/s) 4.575 -0.963
    Velocity Y (km/s) 0.098 -0.13
    Velocity Z (km/s) -6.111 -7.57

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3146 STARLINK-37657
    Semimajor Axis (a) 6843.351 km 6843.654 km
    Eccentricity (e) 0.000138 0.000144
    Inclination (i) 53.1594° 97.2872°
    RAAN 97.0914° 91.2453°
    Perigee Argument 78.9830° 89.8568°
    Mean Anomaly (M) 281.1327° 270.2840°
    Apogee 466.155 km 466.505 km
    Perigee 464.273 km 464.529 km
    Orbit Epoch 2026-09-12T22:53:53+0000 2026-09-13T00:26:05+0000

    STARLINK-3146 & STARLINK-37657 Collision Probability (Pc) Trend

    STARLINK-3146 & STARLINK-37657 Collision Probability (Pc) TrendNot Available

    STARLINK-3146 & STARLINK-37657 Miss Distance (Miss Distance) Trend

    STARLINK-3146 & STARLINK-37657 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3146Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3146

    No nearby objects data