Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.896161E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:33:10+0800
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    1 Object 1

    AOE ID 52461
    NORAD ID 52461
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69531
    NORAD ID 69531
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3900 STARLINK-37897
    Time of Closest Approach 2026-09-04T16:31:06+0000
    Collision Probability (Pc) 4.896161E-7
    Conjunction Distance (km) 2.62 km
    Relative Speed (km/s) 1.547 km/s
    Conjunction Risk Parameters R (Radial): -2.58 | I (In-track): -0.448 | C (Cross-track): -0.046
    Collision Risk Index (CRI) 0.29
    X Position (km) -3138.504 -3137.613
    Position Y (km) -2683.95 -2682.596
    Position Z (km) -5463.907 -5461.849
    Velocity X (km/s) 5.398 4.461
    Velocity Y (km/s) -5.361 -6.164
    Velocity Z (km/s) -0.468 0.465

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3900 STARLINK-37897
    Semimajor Axis (a) 6843.331 km 6840.835 km
    Eccentricity (e) 0.000112 0.000142
    Inclination (i) 53.1614° 53.1588°
    RAAN 328.1033° 318.4306°
    Perigee Argument 89.8767° 85.8276°
    Mean Anomaly (M) 270.2364° 274.2889°
    Apogee 465.958 km 463.669 km
    Perigee 464.430 km 461.727 km
    Orbit Epoch 2026-09-02T11:44:57+0000 2026-09-01T10:43:50+0000

    STARLINK-3900 & STARLINK-37897 Collision Probability (Pc) Trend

    STARLINK-3900 & STARLINK-37897 Collision Probability (Pc) TrendNot Available

    STARLINK-3900 & STARLINK-37897 Miss Distance (Miss Distance) Trend

    STARLINK-3900 & STARLINK-37897 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3900Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37897Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3900Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37897Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3900

    No nearby objects data