Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.986853E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T22:30:34+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 67406
    NORAD ID 67406
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5516 STARLINK-36409
    Time of Closest Approach 2026-10-19T01:39:47+0000
    Collision Probability (Pc) 3.986853E-6
    Conjunction Distance (km) 1.62 km
    Relative Speed (km/s) 9.831 km/s
    Conjunction Risk Parameters R (Radial): 1.615 | I (In-track): 0.101 | C (Cross-track): 0.08
    Collision Risk Index (CRI) 0.47
    X Position (km) -5209.729 -5208.579
    Position Y (km) -3985.485 -3984.445
    Position Z (km) 2007.433 2006.964
    Velocity X (km/s) 4.69 2.397
    Velocity Y (km/s) -3.755 -5.511
    Velocity Z (km/s) 4.698 -4.698

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5516 STARLINK-36409
    Semimajor Axis (a) 6861.485 km 6861.161 km
    Eccentricity (e) 0.000193 0.000045
    Inclination (i) 43.0032° 42.9984°
    RAAN 203.4432° 65.9841°
    Perigee Argument 241.7124° 201.1275°
    Mean Anomaly (M) 118.3533° 158.9558°
    Apogee 484.673 km 483.331 km
    Perigee 482.023 km 482.717 km
    Orbit Epoch 2026-10-18T03:34:54+0000 2026-10-17T09:45:35+0000

    STARLINK-5516 & STARLINK-36409 Collision Probability (Pc) Trend

    STARLINK-5516 & STARLINK-36409 Collision Probability (Pc) TrendNot Available

    STARLINK-5516 & STARLINK-36409 Miss Distance (Miss Distance) Trend

    STARLINK-5516 & STARLINK-36409 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36409Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36409Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5516

    No nearby objects data