Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.7884E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:28:41+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 65423
    NORAD ID 65423
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROTOMETHEE STARLINK-34837
    Time of Closest Approach 2026-09-03T18:55:38+0000
    Collision Probability (Pc) 4.7884E-5
    Conjunction Distance (km) 0.841 km
    Relative Speed (km/s) 14.54 km/s
    Conjunction Risk Parameters R (Radial): -0.072 | I (In-track): 0.242 | C (Cross-track): -0.802
    Collision Risk Index (CRI) 0.69
    X Position (km) 5109.826 5110.313
    Position Y (km) -3061.862 -3061.271
    Position Z (km) -3387.764 -3387.417
    Velocity X (km/s) 2.62 0.364
    Velocity Y (km/s) -2.881 5.912
    Velocity Z (km/s) 6.555 -4.802

    Orbital Parameters 国际轨道数据源

    Parameter PROTOMETHEE STARLINK-34837
    Semimajor Axis (a) 6846.865 km 6848.856 km
    Eccentricity (e) 0.000618 0.000143
    Inclination (i) 97.3717° 53.1576°
    RAAN 323.6821° 132.5333°
    Perigee Argument 243.7239° 109.1851°
    Mean Anomaly (M) 116.3369° 250.9306°
    Apogee 472.958 km 471.700 km
    Perigee 464.498 km 469.738 km
    Orbit Epoch 2026-09-02T14:50:53+0000 2026-09-01T22:07:54+0000

    PROTOMETHEE & STARLINK-34837 Collision Probability (Pc) Trend

    PROTOMETHEE & STARLINK-34837 Collision Probability (Pc) TrendNot Available

    PROTOMETHEE & STARLINK-34837 Miss Distance (Miss Distance) Trend

    PROTOMETHEE & STARLINK-34837 Miss Distance (Miss Distance) TrendNot Available

    PROTOMETHEEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34837Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROTOMETHEECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34837Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROTOMETHEE

    No nearby objects data