Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.329004E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:54:07+0800
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    1 Object 1

    AOE ID 51786
    NORAD ID 51786
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69963
    NORAD ID 69963
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3638 STARLINK-37931
    Time of Closest Approach 2026-10-21T22:37:40+0000
    Collision Probability (Pc) 1.329004E-5
    Conjunction Distance (km) 1.175 km
    Relative Speed (km/s) 11.917 km/s
    Conjunction Risk Parameters R (Radial): 0.689 | I (In-track): -0.602 | C (Cross-track): -0.736
    Collision Risk Index (CRI) 0.57
    X Position (km) 6183.881 6182.937
    Position Y (km) 2199.238 2199.912
    Position Z (km) -1939.798 -1939.613
    Velocity X (km/s) -0.012 -3.186
    Velocity Y (km/s) 5.059 3.931
    Velocity Z (km/s) 5.715 -5.715

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3638 STARLINK-37931
    Semimajor Axis (a) 6840.885 km 6840.756 km
    Eccentricity (e) 0.000106 0.000060
    Inclination (i) 53.1611° 53.1563°
    RAAN 44.8485° 199.7466°
    Perigee Argument 89.7683° 50.2268°
    Mean Anomaly (M) 270.3442° 309.8787°
    Apogee 463.476 km 463.030 km
    Perigee 462.020 km 462.208 km
    Orbit Epoch 2026-10-19T06:37:27+0000 2026-10-19T04:06:21+0000

    STARLINK-3638 & STARLINK-37931 Collision Probability (Pc) Trend

    STARLINK-3638 & STARLINK-37931 Collision Probability (Pc) TrendNot Available

    STARLINK-3638 & STARLINK-37931 Miss Distance (Miss Distance) Trend

    STARLINK-3638 & STARLINK-37931 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37931Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37931Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3638

    No nearby objects data