Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.191293E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T10:46:35+0800
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    1 Object 1

    AOE ID 58321
    NORAD ID 58321
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 68839
    NORAD ID 68839
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROTOMETHEE STARLINK-37475
    Time of Closest Approach 2026-09-06T09:22:21+0000
    Collision Probability (Pc) 1.191293E-6
    Conjunction Distance (km) 2.55 km
    Relative Speed (km/s) 8.096 km/s
    Conjunction Risk Parameters R (Radial): -0.611 | I (In-track): -2.1 | C (Cross-track): 1.309
    Collision Risk Index (CRI) 0.37
    X Position (km) 929.727 930.851
    Position Y (km) 446.704 444.498
    Position Z (km) -6773.042 -6773.65
    Velocity X (km/s) 6.359 -0.893
    Velocity Y (km/s) -4.152 -7.538
    Velocity Z (km/s) 0.596 -0.617

    Orbital Parameters 国际轨道数据源

    Parameter PROTOMETHEE STARLINK-37475
    Semimajor Axis (a) 6846.807 km 6843.653 km
    Eccentricity (e) 0.000631 0.000127
    Inclination (i) 97.3717° 97.2832°
    RAAN 325.8924° 260.7999°
    Perigee Argument 234.0315° 77.3702°
    Mean Anomaly (M) 126.0342° 282.7682°
    Apogee 472.994 km 466.384 km
    Perigee 464.346 km 464.648 km
    Orbit Epoch 2026-09-04T20:07:58+0000 2026-09-04T12:22:07+0000

    PROTOMETHEE & STARLINK-37475 Collision Probability (Pc) Trend

    PROTOMETHEE & STARLINK-37475 Collision Probability (Pc) TrendNot Available

    PROTOMETHEE & STARLINK-37475 Miss Distance (Miss Distance) Trend

    PROTOMETHEE & STARLINK-37475 Miss Distance (Miss Distance) TrendNot Available

    PROTOMETHEEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37475Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROTOMETHEECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37475Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROTOMETHEE

    No nearby objects data