Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.788847E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:00:29+0800
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    1 Object 1

    AOE ID 52551
    NORAD ID 52551
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56360
    NORAD ID 56360
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3969 STARLINK-5549
    Time of Closest Approach 2026-09-05T18:03:58+0000
    Collision Probability (Pc) 1.788847E-6
    Conjunction Distance (km) 2.441 km
    Relative Speed (km/s) 14.188 km/s
    Conjunction Risk Parameters R (Radial): 2.404 | I (In-track): 0.17 | C (Cross-track): -0.39
    Collision Risk Index (CRI) 0.4
    X Position (km) 1561.366 1561.606
    Position Y (km) 4877.321 4879.282
    Position Z (km) 4530.517 4531.951
    Velocity X (km/s) -6.75 2.753
    Velocity Y (km/s) -1.028 4.362
    Velocity Z (km/s) 3.423 -5.629

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3969 STARLINK-5549
    Semimajor Axis (a) 6843.383 km 6843.711 km
    Eccentricity (e) 0.000075 0.000172
    Inclination (i) 53.1605° 97.2849°
    RAAN 41.4010° 243.0290°
    Perigee Argument 88.9821° 82.9759°
    Mean Anomaly (M) 271.1267° 277.1679°
    Apogee 465.758 km 466.750 km
    Perigee 464.734 km 464.398 km
    Orbit Epoch 2026-09-03T11:04:46+0000 2026-09-02T23:41:22+0000

    STARLINK-3969 & STARLINK-5549 Collision Probability (Pc) Trend

    STARLINK-3969 & STARLINK-5549 Collision Probability (Pc) TrendNot Available

    STARLINK-3969 & STARLINK-5549 Miss Distance (Miss Distance) Trend

    STARLINK-3969 & STARLINK-5549 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3969Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5549Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3969Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5549Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3969

    No nearby objects data