Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.345522E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:58:25+0800
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    1 Object 1

    AOE ID 48436
    NORAD ID 48436
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64298
    NORAD ID 64298
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2639 STARLINK-34391
    Time of Closest Approach 2026-09-04T18:21:16+0000
    Collision Probability (Pc) 9.345522E-7
    Conjunction Distance (km) 2.474 km
    Relative Speed (km/s) 4.824 km/s
    Conjunction Risk Parameters R (Radial): 0.917 | I (In-track): -2.178 | C (Cross-track): 0.728
    Collision Risk Index (CRI) 0.34
    X Position (km) -2717.917 -2718.258
    Position Y (km) 3454.366 3451.927
    Position Z (km) 5242.545 5242.778
    Velocity X (km/s) -4.304 -0.128
    Velocity Y (km/s) -6.057 -6.407
    Velocity Z (km/s) 1.755 4.145

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2639 STARLINK-34391
    Semimajor Axis (a) 6848.856 km 6900.898 km
    Eccentricity (e) 0.000120 0.000432
    Inclination (i) 53.1600° 70.0003°
    RAAN 78.5253° 108.1598°
    Perigee Argument 74.8884° 278.9739°
    Mean Anomaly (M) 285.2250° 57.0498°
    Apogee 471.538 km 525.745 km
    Perigee 469.900 km 519.777 km
    Orbit Epoch 2026-09-01T19:33:58+0000 2026-09-02T14:00:02+0000

    STARLINK-2639 & STARLINK-34391 Collision Probability (Pc) Trend

    STARLINK-2639 & STARLINK-34391 Collision Probability (Pc) TrendNot Available

    STARLINK-2639 & STARLINK-34391 Miss Distance (Miss Distance) Trend

    STARLINK-2639 & STARLINK-34391 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2639Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34391Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2639Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34391Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2639

    No nearby objects data