Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.063378E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:27:37+0800
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    1 Object 1

    AOE ID 47787
    NORAD ID 47787
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54090
    NORAD ID 54090
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2257 STARLINK-5177
    Time of Closest Approach 2026-10-29T21:43:03+0000
    Collision Probability (Pc) 1.063378E-5
    Conjunction Distance (km) 1.222 km
    Relative Speed (km/s) 10.517 km/s
    Conjunction Risk Parameters R (Radial): -1.024 | I (In-track): -0.477 | C (Cross-track): -0.462
    Collision Risk Index (CRI) 0.56
    X Position (km) -5145.14 -5145.642
    Position Y (km) -2318.067 -2319.022
    Position Z (km) -3841.75 -3842.32
    Velocity X (km/s) -0.42 4.972
    Velocity Y (km/s) -6.266 -3.836
    Velocity Z (km/s) 4.348 -4.348

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2257 STARLINK-5177
    Semimajor Axis (a) 6822.506 km 6824.260 km
    Eccentricity (e) 0.000167 0.000079
    Inclination (i) 53.1579° 53.1602°
    RAAN 244.7081° 2.9490°
    Perigee Argument 109.8439° 97.0404°
    Mean Anomaly (M) 250.2747° 257.7362°
    Apogee 445.509 km 446.665 km
    Perigee 443.229 km 445.581 km
    Orbit Epoch 2026-10-27T20:05:35+0000 2026-10-27T22:00:02+0000

    STARLINK-2257 & STARLINK-5177 Collision Probability (Pc) Trend

    STARLINK-2257 & STARLINK-5177 Collision Probability (Pc) TrendNot Available

    STARLINK-2257 & STARLINK-5177 Miss Distance (Miss Distance) Trend

    STARLINK-2257 & STARLINK-5177 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2257

    No nearby objects data