Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.368076E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:48:07+0800
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    1 Object 1

    AOE ID 52990
    NORAD ID 52990
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53728
    NORAD ID 53728
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4286 STARLINK-4640
    Time of Closest Approach 2026-09-02T22:42:08+0000
    Collision Probability (Pc) 1.368076E-6
    Conjunction Distance (km) 2.68 km
    Relative Speed (km/s) 11.786 km/s
    Conjunction Risk Parameters R (Radial): 2.321 | I (In-track): -0.853 | C (Cross-track): -1.034
    Collision Risk Index (CRI) 0.38
    X Position (km) 6457.667 6455.46
    Position Y (km) 86.788 88.098
    Position Z (km) -2273.103 -2272.334
    Velocity X (km/s) 1.886 -2.017
    Velocity Y (km/s) 4.875 4.823
    Velocity Z (km/s) 5.559 -5.56

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4286 STARLINK-4640
    Semimajor Axis (a) 6843.386 km 6840.877 km
    Eccentricity (e) 0.000071 0.000136
    Inclination (i) 53.1608° 53.1589°
    RAAN 22.1359° 169.6135°
    Perigee Argument 84.8883° 87.3295°
    Mean Anomaly (M) 275.2200° 272.7864°
    Apogee 465.735 km 463.672 km
    Perigee 464.763 km 461.808 km
    Orbit Epoch 2026-09-01T15:31:36+0000 2026-09-02T01:29:35+0000

    STARLINK-4286 & STARLINK-4640 Collision Probability (Pc) Trend

    STARLINK-4286 & STARLINK-4640 Collision Probability (Pc) TrendNot Available

    STARLINK-4286 & STARLINK-4640 Miss Distance (Miss Distance) Trend

    STARLINK-4286 & STARLINK-4640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4286Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4286Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4286

    No nearby objects data