Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.720755E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:55:57+0800
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    1 Object 1

    AOE ID 51988
    NORAD ID 51988
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53153
    NORAD ID 53153
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3640 STARLINK-4098
    Time of Closest Approach 2026-09-05T13:52:38+0000
    Collision Probability (Pc) 1.720755E-6
    Conjunction Distance (km) 2.313 km
    Relative Speed (km/s) 11.162 km/s
    Conjunction Risk Parameters R (Radial): -2.238 | I (In-track): -0.398 | C (Cross-track): -0.421
    Collision Risk Index (CRI) 0.4
    X Position (km) -760.337 -759.513
    Position Y (km) 5964.341 5962.461
    Position Z (km) 3270.396 3269.329
    Velocity X (km/s) -5.507 -4.831
    Velocity Y (km/s) 1.993 -3.311
    Velocity Z (km/s) -4.898 4.899

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3640 STARLINK-4098
    Semimajor Axis (a) 6848.844 km 6847.057 km
    Eccentricity (e) 0.000153 0.000145
    Inclination (i) 53.1578° 53.1610°
    RAAN 309.9625° 80.9411°
    Perigee Argument 99.6183° 98.4231°
    Mean Anomaly (M) 260.4991° 126.6143°
    Apogee 471.757 km 469.915 km
    Perigee 469.657 km 467.925 km
    Orbit Epoch 2026-09-03T17:24:27+0000 2026-09-03T22:00:02+0000

    STARLINK-3640 & STARLINK-4098 Collision Probability (Pc) Trend

    STARLINK-3640 & STARLINK-4098 Collision Probability (Pc) TrendNot Available

    STARLINK-3640 & STARLINK-4098 Miss Distance (Miss Distance) Trend

    STARLINK-3640 & STARLINK-4098 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3640Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4098Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3640Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4098Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3640

    No nearby objects data