Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.731171E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:39:19+0800
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    1 Object 1

    AOE ID 60513
    NORAD ID 60513
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69366
    NORAD ID 69366
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4BE 27 STARLINK-37581
    Time of Closest Approach 2026-09-13T10:09:21+0000
    Collision Probability (Pc) 3.731171E-6
    Conjunction Distance (km) 1.809 km
    Relative Speed (km/s) 14.63 km/s
    Conjunction Risk Parameters R (Radial): -0.558 | I (In-track): -0.489 | C (Cross-track): -1.648
    Collision Risk Index (CRI) 0.46
    X Position (km) -5651.827 -5650.973
    Position Y (km) 2633.77 2635.097
    Position Z (km) -2823.637 -2822.753
    Velocity X (km/s) 3.274 -4.266
    Velocity Y (km/s) -0.34 -3.551
    Velocity Z (km/s) -6.881 5.236

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4BE 27 STARLINK-37581
    Semimajor Axis (a) 6836.742 km 6840.771 km
    Eccentricity (e) 0.000393 0.000141
    Inclination (i) 97.3784° 53.1587°
    RAAN 336.1221° 184.8675°
    Perigee Argument 19.6272° 80.7943°
    Mean Anomaly (M) 340.5122° 279.3219°
    Apogee 461.293 km 463.599 km
    Perigee 455.917 km 461.669 km
    Orbit Epoch 2026-09-11T04:06:08+0000 2026-09-11T06:42:22+0000

    FLOCK 4BE 27 & STARLINK-37581 Collision Probability (Pc) Trend

    FLOCK 4BE 27 & STARLINK-37581 Collision Probability (Pc) TrendNot Available

    FLOCK 4BE 27 & STARLINK-37581 Miss Distance (Miss Distance) Trend

    FLOCK 4BE 27 & STARLINK-37581 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4BE 27Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37581Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4BE 27Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37581Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4BE 27

    No nearby objects data