Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.177889E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:17:39+0800
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    1 Object 1

    AOE ID 53707
    NORAD ID 53707
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54172
    NORAD ID 54172
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4667 STARLINK-5117
    Time of Closest Approach 2026-09-13T22:49:42+0000
    Collision Probability (Pc) 1.177889E-6
    Conjunction Distance (km) 2.925 km
    Relative Speed (km/s) 11.199 km/s
    Conjunction Risk Parameters R (Radial): -2.756 | I (In-track): -0.671 | C (Cross-track): 0.712
    Collision Risk Index (CRI) 0.36
    X Position (km) -2228.465 -2228.453
    Position Y (km) -5599.178 -5601.794
    Position Z (km) 3229.324 3230.633
    Velocity X (km/s) 3.846 5.807
    Velocity Y (km/s) -4.385 0.543
    Velocity Z (km/s) -4.932 4.931

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4667 STARLINK-5117
    Semimajor Axis (a) 6840.882 km 6843.356 km
    Eccentricity (e) 0.000118 0.000059
    Inclination (i) 53.1601° 53.1578°
    RAAN 101.8528° 235.3008°
    Perigee Argument 81.9689° 86.7744°
    Mean Anomaly (M) 278.1448° 273.3326°
    Apogee 463.553 km 465.623 km
    Perigee 461.937 km 464.815 km
    Orbit Epoch 2026-09-11T20:10:49+0000 2026-09-11T15:55:38+0000

    STARLINK-4667 & STARLINK-5117 Collision Probability (Pc) Trend

    STARLINK-4667 & STARLINK-5117 Collision Probability (Pc) TrendNot Available

    STARLINK-4667 & STARLINK-5117 Miss Distance (Miss Distance) Trend

    STARLINK-4667 & STARLINK-5117 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4667Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5117Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4667Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5117Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4667

    No nearby objects data