Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.033942E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:54:10+0800
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    1 Object 1

    AOE ID 52275
    NORAD ID 52275
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52697
    NORAD ID 52697
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3784 STARLINK-4018
    Time of Closest Approach 2026-09-04T21:08:50+0000
    Collision Probability (Pc) 7.033942E-7
    Conjunction Distance (km) 2.875 km
    Relative Speed (km/s) 4.224 km/s
    Conjunction Risk Parameters R (Radial): -2.586 | I (In-track): 1.208 | C (Cross-track): 0.34
    Collision Risk Index (CRI) 0.32
    X Position (km) -2787.94 -2787.838
    Position Y (km) 3226.887 3224.851
    Position Z (km) 5339.121 5337.096
    Velocity X (km/s) -6.635 -4.476
    Velocity Y (km/s) -3.55 -6.051
    Velocity Z (km/s) -1.315 1.315

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3784 STARLINK-4018
    Semimajor Axis (a) 6840.909 km 6837.873 km
    Eccentricity (e) 0.000137 0.000062
    Inclination (i) 53.1638° 53.1616°
    RAAN 26.1990° 65.6643°
    Perigee Argument 80.8539° 75.6155°
    Mean Anomaly (M) 279.2618° 284.4917°
    Apogee 463.706 km 460.163 km
    Perigee 461.838 km 459.309 km
    Orbit Epoch 2026-09-03T16:33:51+0000 2026-09-03T21:22:39+0000

    STARLINK-3784 & STARLINK-4018 Collision Probability (Pc) Trend

    STARLINK-3784 & STARLINK-4018 Collision Probability (Pc) TrendNot Available

    STARLINK-3784 & STARLINK-4018 Miss Distance (Miss Distance) Trend

    STARLINK-3784 & STARLINK-4018 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3784Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4018Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3784Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4018Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3784

    No nearby objects data