Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.51321E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:43:35+0800
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    1 Object 1

    AOE ID 55369
    NORAD ID 55369
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58807
    NORAD ID 58807
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5644 STARLINK-31163
    Time of Closest Approach 2026-09-04T13:43:58+0000
    Collision Probability (Pc) 2.51321E-4
    Conjunction Distance (km) 0.411 km
    Relative Speed (km/s) 10.188 km/s
    Conjunction Risk Parameters R (Radial): -0.351 | I (In-track): 0.156 | C (Cross-track): 0.145
    Collision Risk Index (CRI) 0.83
    X Position (km) 4942.268 4942.666
    Position Y (km) 4580.625 4580.705
    Position Z (km) 1283.835 1283.898
    Velocity X (km/s) -4.562 -3.155
    Velocity Y (km/s) 3.511 4.815
    Velocity Z (km/s) 5.003 -5.002

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5644 STARLINK-31163
    Semimajor Axis (a) 6861.210 km 6861.052 km
    Eccentricity (e) 0.000132 0.000151
    Inclination (i) 43.0042° 43.0033°
    RAAN 46.5609° 247.3482°
    Perigee Argument 248.9605° 292.6310°
    Mean Anomaly (M) 111.1106° 67.4381°
    Apogee 483.976 km 483.955 km
    Perigee 482.170 km 481.875 km
    Orbit Epoch 2026-09-01T19:45:14+0000 2026-09-02T07:39:54+0000

    STARLINK-5644 & STARLINK-31163 Collision Probability (Pc) Trend

    STARLINK-5644 & STARLINK-31163 Collision Probability (Pc) TrendNot Available

    STARLINK-5644 & STARLINK-31163 Miss Distance (Miss Distance) Trend

    STARLINK-5644 & STARLINK-31163 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31163Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31163Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5644

    No nearby objects data