Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.19382E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:06:31+0800
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    1 Object 1

    AOE ID 55332
    NORAD ID 55332
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59644
    NORAD ID 59644
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5491 STARLINK-31789
    Time of Closest Approach 2026-10-22T11:31:01+0000
    Collision Probability (Pc) 2.19382E-6
    Conjunction Distance (km) 2.017 km
    Relative Speed (km/s) 10.038 km/s
    Conjunction Risk Parameters R (Radial): 0.067 | I (In-track): 1.52 | C (Cross-track): -1.324
    Collision Risk Index (CRI) 0.42
    X Position (km) -1559.206 -1561.18
    Position Y (km) 6475.07 6474.66
    Position Z (km) 1640.268 1640.287
    Velocity X (km/s) -5.301 -5.866
    Velocity Y (km/s) -2.516 -0.174
    Velocity Z (km/s) 4.873 -4.872

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5491 STARLINK-31789
    Semimajor Axis (a) 6861.252 km 6861.141 km
    Eccentricity (e) 0.000195 0.000119
    Inclination (i) 43.0057° 43.0019°
    RAAN 104.8612° 314.1907°
    Perigee Argument 267.9192° 271.8441°
    Mean Anomaly (M) 92.1437° 88.2274°
    Apogee 484.450 km 483.820 km
    Perigee 481.780 km 482.188 km
    Orbit Epoch 2026-10-19T12:48:33+0000 2026-10-19T18:29:05+0000

    STARLINK-5491 & STARLINK-31789 Collision Probability (Pc) Trend

    STARLINK-5491 & STARLINK-31789 Collision Probability (Pc) TrendNot Available

    STARLINK-5491 & STARLINK-31789 Miss Distance (Miss Distance) Trend

    STARLINK-5491 & STARLINK-31789 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31789Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31789Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5491

    No nearby objects data