Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.057595E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:31:34+0800
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    1 Object 1

    AOE ID 47845
    NORAD ID 47845
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52643
    NORAD ID 52643
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2453 STARLINK-3963
    Time of Closest Approach 2026-10-22T08:30:49+0000
    Collision Probability (Pc) 5.057595E-7
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 2.016 km/s
    Conjunction Risk Parameters R (Radial): 2.195 | I (In-track): 1.72 | C (Cross-track): 0.235
    Collision Risk Index (CRI) 0.29
    X Position (km) 3804.444 3804.978
    Position Y (km) 1628.32 1630.436
    Position Z (km) 5444.459 5446.21
    Velocity X (km/s) -2.24 -3.718
    Velocity Y (km/s) 7.274 6.641
    Velocity Z (km/s) -0.608 0.608

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2453 STARLINK-3963
    Semimajor Axis (a) 6847.519 km 6848.890 km
    Eccentricity (e) 0.000119 0.000137
    Inclination (i) 53.1606° 53.1597°
    RAAN 296.2323° 313.3745°
    Perigee Argument 71.4917° 82.5468°
    Mean Anomaly (M) 288.6214° 277.5689°
    Apogee 470.196 km 471.691 km
    Perigee 468.568 km 469.815 km
    Orbit Epoch 2026-10-19T15:55:04+0000 2026-10-20T01:20:14+0000

    STARLINK-2453 & STARLINK-3963 Collision Probability (Pc) Trend

    STARLINK-2453 & STARLINK-3963 Collision Probability (Pc) TrendNot Available

    STARLINK-2453 & STARLINK-3963 Miss Distance (Miss Distance) Trend

    STARLINK-2453 & STARLINK-3963 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2453Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3963Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2453Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3963Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2453

    No nearby objects data