Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.678759E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:18:02+0800
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    1 Object 1

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62634
    NORAD ID 62634
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4686 FLOCK 4G 28
    Time of Closest Approach 2026-09-06T14:43:11+0000
    Collision Probability (Pc) 2.678759E-6
    Conjunction Distance (km) 2.051 km
    Relative Speed (km/s) 14.758 km/s
    Conjunction Risk Parameters R (Radial): -1.799 | I (In-track): -0.242 | C (Cross-track): 0.953
    Collision Risk Index (CRI) 0.44
    X Position (km) -6158.715 -6156.668
    Position Y (km) 2779.878 2779.946
    Position Z (km) 1065.09 1065.19
    Velocity X (km/s) -1.037 -0.675
    Velocity Y (km/s) -4.615 1.396
    Velocity Z (km/s) 5.996 -7.477

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4686 FLOCK 4G 28
    Semimajor Axis (a) 6840.880 km 6835.972 km
    Eccentricity (e) 0.000114 0.000269
    Inclination (i) 53.1624° 97.3986°
    RAAN 160.5034° 331.0898°
    Perigee Argument 88.5746° 62.3325°
    Mean Anomaly (M) 271.5387° 297.8191°
    Apogee 463.521 km 459.672 km
    Perigee 461.965 km 455.998 km
    Orbit Epoch 2026-09-04T03:16:01+0000 2026-09-03T04:40:45+0000

    STARLINK-4686 & FLOCK 4G 28 Collision Probability (Pc) Trend

    STARLINK-4686 & FLOCK 4G 28 Collision Probability (Pc) TrendNot Available

    STARLINK-4686 & FLOCK 4G 28 Miss Distance (Miss Distance) Trend

    STARLINK-4686 & FLOCK 4G 28 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 28Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 28Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4686

    No nearby objects data