Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.403227E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:53:47+0800
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    1 Object 1

    AOE ID 53277
    NORAD ID 53277
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62642
    NORAD ID 62642
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4178 FLOCK 4G 29
    Time of Closest Approach 2026-09-07T02:29:21+0000
    Collision Probability (Pc) 1.403227E-6
    Conjunction Distance (km) 2.682 km
    Relative Speed (km/s) 12.324 km/s
    Conjunction Risk Parameters R (Radial): 1.477 | I (In-track): -1.319 | C (Cross-track): 1.808
    Collision Risk Index (CRI) 0.38
    X Position (km) 3922.531 3923.419
    Position Y (km) -1297.458 -1296.189
    Position Z (km) -5469.177 -5466.989
    Velocity X (km/s) 1.816 5.127
    Velocity Y (km/s) 7.386 -3.408
    Velocity Z (km/s) -0.45 4.49

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4178 FLOCK 4G 29
    Semimajor Axis (a) 6848.853 km 6846.429 km
    Eccentricity (e) 0.000101 0.000130
    Inclination (i) 53.1588° 97.3969°
    RAAN 93.2329° 329.4156°
    Perigee Argument 74.7268° 24.9666°
    Mean Anomaly (M) 285.3845° 335.1639°
    Apogee 471.410 km 469.185 km
    Perigee 470.022 km 467.399 km
    Orbit Epoch 2026-09-03T23:43:56+0000 2026-09-04T16:44:36+0000

    STARLINK-4178 & FLOCK 4G 29 Collision Probability (Pc) Trend

    STARLINK-4178 & FLOCK 4G 29 Collision Probability (Pc) TrendNot Available

    STARLINK-4178 & FLOCK 4G 29 Miss Distance (Miss Distance) Trend

    STARLINK-4178 & FLOCK 4G 29 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4178Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 29Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4178Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 29Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4178

    No nearby objects data