Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.419452E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:12:43+0800
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    1 Object 1

    AOE ID 53793
    NORAD ID 53793
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56748
    NORAD ID 56748
    Object Type UNKNOWN
    Country
    KR KR

    Conjunction Constraints

    Parameter STARLINK-4728 OBJECT F
    Time of Closest Approach 2026-09-14T04:28:19+0000
    Collision Probability (Pc) 1.419452E-6
    Conjunction Distance (km) 2.247 km
    Relative Speed (km/s) 7.325 km/s
    Conjunction Risk Parameters R (Radial): 0.551 | I (In-track): 1.91 | C (Cross-track): -1.047
    Collision Risk Index (CRI) 0.38
    X Position (km) -1143.641 -1142.589
    Position Y (km) 5401.939 5400.464
    Position Z (km) -4060.548 -4061.877
    Velocity X (km/s) -6.175 0.288
    Velocity Y (km/s) 1.774 4.61
    Velocity Z (km/s) 4.103 6.063

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4728 OBJECT F
    Semimajor Axis (a) 6848.873 km 6846.258 km
    Eccentricity (e) 0.000152 0.000718
    Inclination (i) 53.1610° 97.5052°
    RAAN 154.8168° 93.4726°
    Perigee Argument 87.3039° 73.7697°
    Mean Anomaly (M) 272.8137° 286.4334°
    Apogee 471.780 km 473.036 km
    Perigee 469.692 km 463.206 km
    Orbit Epoch 2026-09-10T00:27:19+0000 2026-09-11T07:41:05+0000

    STARLINK-4728 & OBJECT F Collision Probability (Pc) Trend

    STARLINK-4728 & OBJECT F Collision Probability (Pc) TrendNot Available

    STARLINK-4728 & OBJECT F Miss Distance (Miss Distance) Trend

    STARLINK-4728 & OBJECT F Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4728Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4728Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4728

    No nearby objects data