Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.296691E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:48:10+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 59535
    NORAD ID 59535
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5638 STARLINK-31738
    Time of Closest Approach 2026-10-21T01:39:08+0000
    Collision Probability (Pc) 3.296691E-6
    Conjunction Distance (km) 1.697 km
    Relative Speed (km/s) 9.088 km/s
    Conjunction Risk Parameters R (Radial): 1.259 | I (In-track): -0.915 | C (Cross-track): 0.674
    Collision Risk Index (CRI) 0.45
    X Position (km) -1543.097 -1544.454
    Position Y (km) -4860.026 -4860.93
    Position Z (km) 4579.968 4580.435
    Velocity X (km/s) 4.711 6.866
    Velocity Y (km/s) 3.254 -3.158
    Velocity Z (km/s) 5.035 -1.033

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5638 STARLINK-31738
    Semimajor Axis (a) 6853.666 km 6861.208 km
    Eccentricity (e) 0.000945 0.000101
    Inclination (i) 69.9990° 43.0023°
    RAAN 235.3865° 152.8913°
    Perigee Argument 271.9755° 279.6990°
    Mean Anomaly (M) 88.0337° 80.3747°
    Apogee 482.008 km 483.766 km
    Perigee 469.050 km 482.376 km
    Orbit Epoch 2026-10-20T06:37:40+0000 2026-10-20T00:06:08+0000

    STARLINK-5638 & STARLINK-31738 Collision Probability (Pc) Trend

    STARLINK-5638 & STARLINK-31738 Collision Probability (Pc) TrendNot Available

    STARLINK-5638 & STARLINK-31738 Miss Distance (Miss Distance) Trend

    STARLINK-5638 & STARLINK-31738 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31738Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31738Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5638

    No nearby objects data