Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.426166E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:23:11+0800
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    1 Object 1

    AOE ID 54824
    NORAD ID 54824
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66501
    NORAD ID 66501
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4643 STARLINK-35897
    Time of Closest Approach 2026-09-13T09:04:43+0000
    Collision Probability (Pc) 2.426166E-5
    Conjunction Distance (km) 0.952 km
    Relative Speed (km/s) 9.928 km/s
    Conjunction Risk Parameters R (Radial): -0.615 | I (In-track): -0.553 | C (Cross-track): -0.468
    Collision Risk Index (CRI) 0.63
    X Position (km) 6566.32 6565.648
    Position Y (km) -763.333 -763.986
    Position Z (km) -1841.841 -1841.671
    Velocity X (km/s) -0.652 1.989
    Velocity Y (km/s) 5.901 5.594
    Velocity Z (km/s) -4.782 4.783

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4643 STARLINK-35897
    Semimajor Axis (a) 6861.193 km 6861.172 km
    Eccentricity (e) 0.000096 0.000139
    Inclination (i) 43.0011° 43.0028°
    RAAN 168.3720° 31.7924°
    Perigee Argument 240.6748° 267.0079°
    Mean Anomaly (M) 119.4009° 93.0614°
    Apogee 483.713 km 483.991 km
    Perigee 482.399 km 482.079 km
    Orbit Epoch 2026-09-11T04:24:28+0000 2026-09-09T15:44:07+0000

    STARLINK-4643 & STARLINK-35897 Collision Probability (Pc) Trend

    STARLINK-4643 & STARLINK-35897 Collision Probability (Pc) TrendNot Available

    STARLINK-4643 & STARLINK-35897 Miss Distance (Miss Distance) Trend

    STARLINK-4643 & STARLINK-35897 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35897Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35897Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4643

    No nearby objects data