Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.141581E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:06:46+0800
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    1 Object 1

    AOE ID 52858
    NORAD ID 52858
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58880
    NORAD ID 58880
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4198 STARLINK-31328
    Time of Closest Approach 2026-09-05T01:14:24+0000
    Collision Probability (Pc) 1.141581E-6
    Conjunction Distance (km) 2.74 km
    Relative Speed (km/s) 9.104 km/s
    Conjunction Risk Parameters R (Radial): -2.472 | I (In-track): 0.944 | C (Cross-track): 0.708
    Collision Risk Index (CRI) 0.36
    X Position (km) -4511.788 -4510.719
    Position Y (km) 2418.133 2416.222
    Position Z (km) -4549.585 -4547.939
    Velocity X (km/s) -0.226 -5.554
    Velocity Y (km/s) -6.82 -3.966
    Velocity Z (km/s) -3.403 3.404

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4198 STARLINK-31328
    Semimajor Axis (a) 6843.365 km 6840.806 km
    Eccentricity (e) 0.000122 0.000133
    Inclination (i) 53.1608° 53.1625°
    RAAN 292.3578° 197.2104°
    Perigee Argument 85.8566° 94.0243°
    Mean Anomaly (M) 274.2576° 266.0912°
    Apogee 466.063 km 463.580 km
    Perigee 464.393 km 461.758 km
    Orbit Epoch 2026-09-04T13:15:58+0000 2026-09-04T06:43:30+0000

    STARLINK-4198 & STARLINK-31328 Collision Probability (Pc) Trend

    STARLINK-4198 & STARLINK-31328 Collision Probability (Pc) TrendNot Available

    STARLINK-4198 & STARLINK-31328 Miss Distance (Miss Distance) Trend

    STARLINK-4198 & STARLINK-31328 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4198Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31328Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4198Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31328Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4198

    No nearby objects data