Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.740126E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:50:55+0800
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    1 Object 1

    AOE ID 55426
    NORAD ID 55426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58402
    NORAD ID 58402
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5638 STARLINK-30964
    Time of Closest Approach 2026-10-21T14:06:28+0000
    Collision Probability (Pc) 6.740126E-7
    Conjunction Distance (km) 2.88 km
    Relative Speed (km/s) 3.907 km/s
    Conjunction Risk Parameters R (Radial): -2.493 | I (In-track): 1.393 | C (Cross-track): 0.368
    Collision Risk Index (CRI) 0.32
    X Position (km) -3281.242 -3283.368
    Position Y (km) -5555.652 -5557.578
    Position Z (km) 2317.297 2317.046
    Velocity X (km/s) 3.61 5.93
    Velocity Y (km/s) 0.666 -1.613
    Velocity Z (km/s) 6.685 4.518

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5638 STARLINK-30964
    Semimajor Axis (a) 6854.410 km 6861.204 km
    Eccentricity (e) 0.000369 0.000145
    Inclination (i) 69.9998° 43.0008°
    RAAN 236.5977° 230.1001°
    Perigee Argument 234.3281° 274.5995°
    Mean Anomaly (M) 125.7550° 85.4691°
    Apogee 478.805 km 484.064 km
    Perigee 473.741 km 482.070 km
    Orbit Epoch 2026-10-19T19:38:53+0000 2026-10-19T05:29:04+0000

    STARLINK-5638 & STARLINK-30964 Collision Probability (Pc) Trend

    STARLINK-5638 & STARLINK-30964 Collision Probability (Pc) TrendNot Available

    STARLINK-5638 & STARLINK-30964 Miss Distance (Miss Distance) Trend

    STARLINK-5638 & STARLINK-30964 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30964Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30964Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5638

    No nearby objects data