Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.050717E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T19:48:11+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 69308
    NORAD ID 69308
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROTOMETHEE STARLINK-37689
    Time of Closest Approach 2026-08-30T15:56:46+0000
    Collision Probability (Pc) 2.050717E-6
    Conjunction Distance (km) 1.879 km
    Relative Speed (km/s) 6.747 km/s
    Conjunction Risk Parameters R (Radial): 0.845 | I (In-track): 1.506 | C (Cross-track): 0.742
    Collision Risk Index (CRI) 0.41
    X Position (km) 883.538 884.338
    Position Y (km) 411.838 410.359
    Position Z (km) -6780.676 -6781.515
    Velocity X (km/s) 5.85 -0.241
    Velocity Y (km/s) -4.859 -7.597
    Velocity Z (km/s) 0.466 -0.491

    Orbital Parameters 国际轨道数据源

    Parameter PROTOMETHEE STARLINK-37689
    Semimajor Axis (a) 6846.988 km 6843.635 km
    Eccentricity (e) 0.000599 0.000047
    Inclination (i) 97.3729° 97.2824°
    RAAN 320.0408° 267.0184°
    Perigee Argument 259.8092° 108.0056°
    Mean Anomaly (M) 100.2474° 252.1238°
    Apogee 472.954 km 465.821 km
    Perigee 464.748 km 465.175 km
    Orbit Epoch 2026-08-29T23:05:00+0000 2026-08-29T23:07:40+0000

    PROTOMETHEE & STARLINK-37689 Collision Probability (Pc) Trend

    PROTOMETHEE & STARLINK-37689 Collision Probability (Pc) TrendNot Available

    PROTOMETHEE & STARLINK-37689 Miss Distance (Miss Distance) Trend

    PROTOMETHEE & STARLINK-37689 Miss Distance (Miss Distance) TrendNot Available

    PROTOMETHEEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37689Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROTOMETHEECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37689Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROTOMETHEE

    No nearby objects data