Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.01233E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:56:32+0800
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    1 Object 1

    AOE ID 57253
    NORAD ID 57253
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59906
    NORAD ID 59906
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5516 STARLINK-31861
    Time of Closest Approach 2026-10-19T12:19:16+0000
    Collision Probability (Pc) 3.01233E-5
    Conjunction Distance (km) 0.851 km
    Relative Speed (km/s) 7.877 km/s
    Conjunction Risk Parameters R (Radial): -0.2 | I (In-track): -0.708 | C (Cross-track): 0.426
    Collision Risk Index (CRI) 0.65
    X Position (km) -5313.257 -5312.752
    Position Y (km) 2479.806 2480.482
    Position Z (km) -3567.498 -3567.395
    Velocity X (km/s) -4.613 -0.906
    Velocity Y (km/s) -5.046 -6.777
    Velocity Z (km/s) 3.365 -3.365

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5516 STARLINK-31861
    Semimajor Axis (a) 6861.485 km 6861.185 km
    Eccentricity (e) 0.000193 0.000133
    Inclination (i) 43.0032° 43.0032°
    RAAN 203.4432° 302.2093°
    Perigee Argument 241.7124° 259.5292°
    Mean Anomaly (M) 118.3533° 100.5409°
    Apogee 484.673 km 483.964 km
    Perigee 482.023 km 482.132 km
    Orbit Epoch 2026-10-18T03:34:54+0000 2026-10-18T02:21:57+0000

    STARLINK-5516 & STARLINK-31861 Collision Probability (Pc) Trend

    STARLINK-5516 & STARLINK-31861 Collision Probability (Pc) TrendNot Available

    STARLINK-5516 & STARLINK-31861 Miss Distance (Miss Distance) Trend

    STARLINK-5516 & STARLINK-31861 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31861Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31861Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5516

    No nearby objects data