Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.396006E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:55:08+0800
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    1 Object 1

    Name ST5-C
    AOE ID 28982
    NORAD ID 28982
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52489
    NORAD ID 52489
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ST5-C STARLINK-3923
    Time of Closest Approach 2026-09-05T00:42:59+0000
    Collision Probability (Pc) 6.396006E-6
    Conjunction Distance (km) 1.529 km
    Relative Speed (km/s) 15.124 km/s
    Conjunction Risk Parameters R (Radial): 1.517 | I (In-track): -0.014 | C (Cross-track): 0.194
    Collision Risk Index (CRI) 0.51
    X Position (km) 6112.007 6113.435
    Position Y (km) -2065.025 -2065.307
    Position Z (km) 2271.636 2272.101
    Velocity X (km/s) 2.062 -0.31
    Velocity Y (km/s) -3.018 5.227
    Velocity Z (km/s) -6.895 5.559

    Orbital Parameters 国际轨道数据源

    Parameter ST5-C STARLINK-3923
    Semimajor Axis (a) 7158.098 km 6843.356 km
    Eccentricity (e) 0.073216 0.000121
    Inclination (i) 105.4530° 53.1614°
    RAAN 151.3200° 342.1790°
    Perigee Argument 109.0189° 89.8018°
    Mean Anomaly (M) 259.1702° 270.3123°
    Apogee 1304.049 km 466.048 km
    Perigee 255.873 km 464.390 km
    Orbit Epoch 2026-09-02T13:25:36+0000 2026-09-01T13:42:44+0000

    ST5-C & STARLINK-3923 Collision Probability (Pc) Trend

    ST5-C & STARLINK-3923 Collision Probability (Pc) TrendNot Available

    ST5-C & STARLINK-3923 Miss Distance (Miss Distance) Trend

    ST5-C & STARLINK-3923 Miss Distance (Miss Distance) TrendNot Available

    ST5-CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3923Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ST5-CCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3923Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ST5-C

    No nearby objects data