Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.690773E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:28:56+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 68214
    NORAD ID 68214
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROTOMETHEE STARLINK-35854
    Time of Closest Approach 2026-09-05T14:24:42+0000
    Collision Probability (Pc) 1.690773E-6
    Conjunction Distance (km) 2.553 km
    Relative Speed (km/s) 14.786 km/s
    Conjunction Risk Parameters R (Radial): 1.712 | I (In-track): 0.457 | C (Cross-track): -1.838
    Collision Risk Index (CRI) 0.4
    X Position (km) -2529.233 -2528.519
    Position Y (km) 2567.275 2569.249
    Position Z (km) -5825.017 -5826.47
    Velocity X (km/s) 5.736 -3.101
    Velocity Y (km/s) -3.173 5.769
    Velocity Z (km/s) -3.891 3.892

    Orbital Parameters 国际轨道数据源

    Parameter PROTOMETHEE STARLINK-35854
    Semimajor Axis (a) 6846.865 km 6843.682 km
    Eccentricity (e) 0.000618 0.000145
    Inclination (i) 97.3717° 97.2845°
    RAAN 323.6821° 119.2759°
    Perigee Argument 243.7239° 93.8099°
    Mean Anomaly (M) 116.3369° 266.3309°
    Apogee 472.958 km 466.535 km
    Perigee 464.498 km 464.555 km
    Orbit Epoch 2026-09-02T14:50:53+0000 2026-09-02T05:13:56+0000

    PROTOMETHEE & STARLINK-35854 Collision Probability (Pc) Trend

    PROTOMETHEE & STARLINK-35854 Collision Probability (Pc) TrendNot Available

    PROTOMETHEE & STARLINK-35854 Miss Distance (Miss Distance) Trend

    PROTOMETHEE & STARLINK-35854 Miss Distance (Miss Distance) TrendNot Available

    PROTOMETHEEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35854Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROTOMETHEECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35854Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROTOMETHEE

    No nearby objects data