Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.591124E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:03:05+0800
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    1 Object 1

    AOE ID 51789
    NORAD ID 51789
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53637
    NORAD ID 53637
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3639 STARLINK-4396
    Time of Closest Approach 2026-10-29T12:18:04+0000
    Collision Probability (Pc) 2.591124E-6
    Conjunction Distance (km) 1.911 km
    Relative Speed (km/s) 10.504 km/s
    Conjunction Risk Parameters R (Radial): -1.573 | I (In-track): -0.784 | C (Cross-track): 0.748
    Collision Risk Index (CRI) 0.43
    X Position (km) 4959.282 4958.656
    Position Y (km) 2692.961 2691.387
    Position Z (km) 3857.193 3856.308
    Velocity X (km/s) -5.257 -0.037
    Velocity Y (km/s) 3.459 6.293
    Velocity Z (km/s) 4.331 -4.332

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3639 STARLINK-4396
    Semimajor Axis (a) 6840.917 km 6837.764 km
    Eccentricity (e) 0.000127 0.000060
    Inclination (i) 53.1595° 53.1606°
    RAAN 9.4259° 249.7958°
    Perigee Argument 84.2605° 320.4647°
    Mean Anomaly (M) 113.5789° 39.6312°
    Apogee 463.648 km 460.036 km
    Perigee 461.912 km 459.218 km
    Orbit Epoch 2026-10-27T00:00:02+0000 2026-10-27T06:36:01+0000

    STARLINK-3639 & STARLINK-4396 Collision Probability (Pc) Trend

    STARLINK-3639 & STARLINK-4396 Collision Probability (Pc) TrendNot Available

    STARLINK-3639 & STARLINK-4396 Miss Distance (Miss Distance) Trend

    STARLINK-3639 & STARLINK-4396 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3639Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4396Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3639Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4396Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3639

    No nearby objects data