Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.686571E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:14:06+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 64904
    NORAD ID 64904
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3638 STARLINK-34647
    Time of Closest Approach 2026-10-21T20:44:04+0000
    Collision Probability (Pc) 1.686571E-6
    Conjunction Distance (km) 1.599 km
    Relative Speed (km/s) 2.312 km/s
    Conjunction Risk Parameters R (Radial): -0.883 | I (In-track): -1.317 | C (Cross-track): 0.201
    Collision Risk Index (CRI) 0.4
    X Position (km) 1543.379 1544.815
    Position Y (km) -3857.592 -3857.596
    Position Z (km) -5441.585 -5442.286
    Velocity X (km/s) 6.654 7.336
    Velocity Y (km/s) 3.654 1.948
    Velocity Z (km/s) -0.703 0.7

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3638 STARLINK-34647
    Semimajor Axis (a) 6840.862 km 6840.803 km
    Eccentricity (e) 0.000117 0.000352
    Inclination (i) 53.1620° 53.1592°
    RAAN 42.7172° 23.0252°
    Perigee Argument 89.0447° 115.1761°
    Mean Anomaly (M) 271.0691° 244.9606°
    Apogee 463.529 km 465.072 km
    Perigee 461.921 km 460.260 km
    Orbit Epoch 2026-10-19T17:34:01+0000 2026-10-19T06:34:14+0000

    STARLINK-3638 & STARLINK-34647 Collision Probability (Pc) Trend

    STARLINK-3638 & STARLINK-34647 Collision Probability (Pc) TrendNot Available

    STARLINK-3638 & STARLINK-34647 Miss Distance (Miss Distance) Trend

    STARLINK-3638 & STARLINK-34647 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3638Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34647Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3638Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34647Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3638

    No nearby objects data