Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.136195E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:15:31+0800
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    1 Object 1

    AOE ID 53179
    NORAD ID 53179
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57942
    NORAD ID 57942
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4276 STARLINK-30455
    Time of Closest Approach 2026-10-21T05:09:27+0000
    Collision Probability (Pc) 1.136195E-6
    Conjunction Distance (km) 2.93 km
    Relative Speed (km/s) 10.544 km/s
    Conjunction Risk Parameters R (Radial): 2.419 | I (In-track): -1.188 | C (Cross-track): -1.148
    Collision Risk Index (CRI) 0.36
    X Position (km) 5183.195 5185.696
    Position Y (km) 2319.622 2318.931
    Position Z (km) -3823.046 -3824.404
    Velocity X (km/s) -4.937 0.435
    Velocity Y (km/s) 3.831 6.233
    Velocity Z (km/s) -4.374 4.374

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4276 STARLINK-30455
    Semimajor Axis (a) 6840.868 km 6843.366 km
    Eccentricity (e) 0.000118 0.000112
    Inclination (i) 53.1585° 53.1615°
    RAAN 179.1616° 58.3244°
    Perigee Argument 79.6327° 89.4586°
    Mean Anomaly (M) 280.4809° 270.6544°
    Apogee 463.541 km 465.997 km
    Perigee 461.921 km 464.461 km
    Orbit Epoch 2026-10-20T01:36:34+0000 2026-10-20T09:01:00+0000

    STARLINK-4276 & STARLINK-30455 Collision Probability (Pc) Trend

    STARLINK-4276 & STARLINK-30455 Collision Probability (Pc) TrendNot Available

    STARLINK-4276 & STARLINK-30455 Miss Distance (Miss Distance) Trend

    STARLINK-4276 & STARLINK-30455 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4276Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30455Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4276Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30455Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4276

    No nearby objects data