Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.172655E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T06:20:10+0800
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    1 Object 1

    AOE ID 56143
    NORAD ID 56143
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66724
    NORAD ID 66724
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5016 FLOCK 4H 21
    Time of Closest Approach 2026-11-02T00:52:04+0000
    Collision Probability (Pc) 3.172655E-6
    Conjunction Distance (km) 1.848 km
    Relative Speed (km/s) 12.514 km/s
    Conjunction Risk Parameters R (Radial): 0.062 | I (In-track): -1.042 | C (Cross-track): -1.524
    Collision Risk Index (CRI) 0.45
    X Position (km) -5031.558 -5030.415
    Position Y (km) -978.392 -979.515
    Position Z (km) -4594.238 -4595.158
    Velocity X (km/s) 0.496 4.653
    Velocity Y (km/s) -7.514 2.247
    Velocity Z (km/s) 1.055 -5.58

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5016 FLOCK 4H 21
    Semimajor Axis (a) 6876.104 km 6877.282 km
    Eccentricity (e) 0.000655 0.000293
    Inclination (i) 42.9975° 97.4055°
    RAAN 274.9926° 15.8631°
    Perigee Argument 112.3563° 155.3724°
    Mean Anomaly (M) 247.7981° 204.7653°
    Apogee 502.471 km 501.158 km
    Perigee 493.463 km 497.132 km
    Orbit Epoch 2026-10-31T06:42:12+0000 2026-10-31T03:43:15+0000

    STARLINK-5016 & FLOCK 4H 21 Collision Probability (Pc) Trend

    STARLINK-5016 & FLOCK 4H 21 Collision Probability (Pc) TrendNot Available

    STARLINK-5016 & FLOCK 4H 21 Miss Distance (Miss Distance) Trend

    STARLINK-5016 & FLOCK 4H 21 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5016Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5016Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5016

    No nearby objects data