Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.465861E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:56:59+0800
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    1 Object 1

    AOE ID 50834
    NORAD ID 50834
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 51786
    NORAD ID 51786
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3331 STARLINK-3638
    Time of Closest Approach 2026-09-13T13:12:40+0000
    Collision Probability (Pc) 1.465861E-6
    Conjunction Distance (km) 2.597 km
    Relative Speed (km/s) 12.17 km/s
    Conjunction Risk Parameters R (Radial): -2.501 | I (In-track): 0.414 | C (Cross-track): -0.559
    Collision Risk Index (CRI) 0.38
    X Position (km) 5414.087 5411.688
    Position Y (km) 4103.747 4102.802
    Position Z (km) -839.185 -838.886
    Velocity X (km/s) -2.195 -3.375
    Velocity Y (km/s) 4.12 3.228
    Velocity Z (km/s) 6.039 -6.04

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3331 STARLINK-3638
    Semimajor Axis (a) 6843.350 km 6840.887 km
    Eccentricity (e) 0.000112 0.000135
    Inclination (i) 53.1608° 53.1573°
    RAAN 50.9892° 222.3686°
    Perigee Argument 87.0940° 86.2643°
    Mean Anomaly (M) 273.0190° 273.8514°
    Apogee 465.977 km 463.674 km
    Perigee 464.449 km 461.826 km
    Orbit Epoch 2026-09-11T17:27:16+0000 2026-09-11T07:14:29+0000

    STARLINK-3331 & STARLINK-3638 Collision Probability (Pc) Trend

    STARLINK-3331 & STARLINK-3638 Collision Probability (Pc) TrendNot Available

    STARLINK-3331 & STARLINK-3638 Miss Distance (Miss Distance) Trend

    STARLINK-3331 & STARLINK-3638 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3331Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3638Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3331Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3638Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3331

    No nearby objects data