Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.92934E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-11T16:18:28+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 2026-10-11T20:42:57+0000
    Collision Probability (Pc) 3.92934E-6
    Conjunction Distance (km) 1.553 km
    Relative Speed (km/s) 7.877 km/s
    Conjunction Risk Parameters R (Radial): -0.154 | I (In-track): -1.319 | C (Cross-track): 0.802
    Collision Risk Index (CRI) 0.47
    X Position (km) -5570.699 -5571.058
    Position Y (km) -1830.155 -1828.648
    Position Z (km) -3567.297 -3567.213
    Velocity X (km/s) 0.092 3.979
    Velocity Y (km/s) -6.836 -5.56
    Velocity Z (km/s) 3.365 -3.366

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5516 STARLINK-31861
    Semimajor Axis (a) 6861.429 km 6861.196 km
    Eccentricity (e) 0.000170 0.000145
    Inclination (i) 43.0031° 43.0033°
    RAAN 245.9069° 345.4132°
    Perigee Argument 244.2274° 270.7556°
    Mean Anomaly (M) 115.8402° 89.3129°
    Apogee 484.462 km 484.056 km
    Perigee 482.122 km 482.062 km
    Orbit Epoch 2026-10-10T15:06:55+0000 2026-10-10T10:45:38+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