Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.50776E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:06:49+0800
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    1 Object 1

    AOE ID 52306
    NORAD ID 52306
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52503
    NORAD ID 52503
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3747 STARLINK-3861
    Time of Closest Approach 2026-10-22T02:20:29+0000
    Collision Probability (Pc) 2.50776E-5
    Conjunction Distance (km) 0.81 km
    Relative Speed (km/s) 4.767 km/s
    Conjunction Risk Parameters R (Radial): -0.419 | I (In-track): -0.656 | C (Cross-track): 0.22
    Collision Risk Index (CRI) 0.63
    X Position (km) 4045.197 4045.199
    Position Y (km) 1526.002 1526.743
    Position Z (km) -5308.571 -5308.898
    Velocity X (km/s) -4.285 -0.828
    Velocity Y (km/s) 6.124 7.428
    Velocity Z (km/s) -1.506 1.506

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3747 STARLINK-3861
    Semimajor Axis (a) 6840.884 km 6839.501 km
    Eccentricity (e) 0.000127 0.000092
    Inclination (i) 53.1586° 53.1595°
    RAAN 148.1884° 101.6331°
    Perigee Argument 95.3379° 76.6070°
    Mean Anomaly (M) 264.7768° 283.5036°
    Apogee 463.614 km 461.997 km
    Perigee 461.880 km 460.731 km
    Orbit Epoch 2026-10-18T23:45:30+0000 2026-10-19T02:46:01+0000

    STARLINK-3747 & STARLINK-3861 Collision Probability (Pc) Trend

    STARLINK-3747 & STARLINK-3861 Collision Probability (Pc) TrendNot Available

    STARLINK-3747 & STARLINK-3861 Miss Distance (Miss Distance) Trend

    STARLINK-3747 & STARLINK-3861 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3747Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3861Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3747Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3861Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3747

    No nearby objects data