Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.365992E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:54:06+0800
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    1 Object 1

    AOE ID 52850
    NORAD ID 52850
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62646
    NORAD ID 62646
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4187 FLOCK 4G 25
    Time of Closest Approach 2026-10-22T04:11:24+0000
    Collision Probability (Pc) 2.365992E-6
    Conjunction Distance (km) 1.92 km
    Relative Speed (km/s) 9.264 km/s
    Conjunction Risk Parameters R (Radial): -1.919 | I (In-track): -0.007 | C (Cross-track): -0.015
    Collision Risk Index (CRI) 0.42
    X Position (km) -4147.315 -4148.48
    Position Y (km) -1943.907 -1944.468
    Position Z (km) 5082.374 5083.792
    Velocity X (km/s) 0.62 -5.666
    Velocity Y (km/s) -7.264 -1.035
    Velocity Z (km/s) -2.267 -5.008

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4187 FLOCK 4G 25
    Semimajor Axis (a) 6848.864 km 6849.000 km
    Eccentricity (e) 0.000107 0.000162
    Inclination (i) 53.1577° 97.3945°
    RAAN 92.7523° 14.1315°
    Perigee Argument 81.2597° 171.7124°
    Mean Anomaly (M) 278.8525° 188.4144°
    Apogee 471.457 km 471.972 km
    Perigee 469.997 km 469.754 km
    Orbit Epoch 2026-10-19T17:45:44+0000 2026-10-19T11:20:01+0000

    STARLINK-4187 & FLOCK 4G 25 Collision Probability (Pc) Trend

    STARLINK-4187 & FLOCK 4G 25 Collision Probability (Pc) TrendNot Available

    STARLINK-4187 & FLOCK 4G 25 Miss Distance (Miss Distance) Trend

    STARLINK-4187 & FLOCK 4G 25 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4187Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4187Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4187

    No nearby objects data