Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.145331E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T08:23:21+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    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-3649 FLOCK 4G 29
    Time of Closest Approach 2026-10-18T10:16:56+0000
    Collision Probability (Pc) 2.145331E-6
    Conjunction Distance (km) 2.1 km
    Relative Speed (km/s) 11.329 km/s
    Conjunction Risk Parameters R (Radial): 2.037 | I (In-track): 0.338 | C (Cross-track): 0.384
    Collision Risk Index (CRI) 0.42
    X Position (km) -3796.228 -3794.914
    Position Y (km) -1617.144 -1616.255
    Position Z (km) 5446.99 5445.615
    Velocity X (km/s) 2.33 -6.115
    Velocity Y (km/s) -7.255 -0.835
    Velocity Z (km/s) -0.529 -4.501

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 FLOCK 4G 29
    Semimajor Axis (a) 6840.891 km 6837.806 km
    Eccentricity (e) 0.000048 0.000267
    Inclination (i) 53.1600° 97.3933°
    RAAN 109.1742° 11.9328°
    Perigee Argument 79.6164° 183.3950°
    Mean Anomaly (M) 280.4893° 176.7276°
    Apogee 463.086 km 461.499 km
    Perigee 462.422 km 457.839 km
    Orbit Epoch 2026-10-17T11:59:05+0000 2026-10-17T04:01:00+0000

    STARLINK-3649 & FLOCK 4G 29 Collision Probability (Pc) Trend

    STARLINK-3649 & FLOCK 4G 29 Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & FLOCK 4G 29 Miss Distance (Miss Distance) Trend

    STARLINK-3649 & FLOCK 4G 29 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss 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-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 29Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data