Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.343702E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:12:15+0800
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    1 Object 1

    AOE ID 53402
    NORAD ID 53402
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-4499 FLOCK 4BE 27
    Time of Closest Approach 2026-10-21T17:57:54+0000
    Collision Probability (Pc) 1.343702E-6
    Conjunction Distance (km) 2.96 km
    Relative Speed (km/s) 14.464 km/s
    Conjunction Risk Parameters R (Radial): -2.753 | I (In-track): 0.345 | C (Cross-track): 1.028
    Collision Risk Index (CRI) 0.38
    X Position (km) 5305.659 5303.426
    Position Y (km) 2109.273 2109.42
    Position Z (km) -3776.397 -3774.462
    Velocity X (km/s) -4.742 4.295
    Velocity Y (km/s) 4.016 0.446
    Velocity Z (km/s) -4.425 6.288

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4499 FLOCK 4BE 27
    Semimajor Axis (a) 6840.871 km 6834.953 km
    Eccentricity (e) 0.000149 0.000326
    Inclination (i) 53.1579° 97.3745°
    RAAN 186.1508° 13.7148°
    Perigee Argument 89.9822° 198.7876°
    Mean Anomaly (M) 270.1352° 161.3248°
    Apogee 463.756 km 459.043 km
    Perigee 461.712 km 454.589 km
    Orbit Epoch 2026-10-18T17:05:07+0000 2026-10-18T16:38:48+0000

    STARLINK-4499 & FLOCK 4BE 27 Collision Probability (Pc) Trend

    STARLINK-4499 & FLOCK 4BE 27 Collision Probability (Pc) TrendNot Available

    STARLINK-4499 & FLOCK 4BE 27 Miss Distance (Miss Distance) Trend

    STARLINK-4499 & FLOCK 4BE 27 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4499Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4BE 27Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4499Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4BE 27Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4499

    No nearby objects data