Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.155664E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T17:10:02+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 64385
    NORAD ID 64385
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4643 STARLINK-34100
    Time of Closest Approach 2026-10-31T10:04:41+0000
    Collision Probability (Pc) 2.155664E-6
    Conjunction Distance (km) 1.633 km
    Relative Speed (km/s) 3.91 km/s
    Conjunction Risk Parameters R (Radial): -0.74 | I (In-track): 1.408 | C (Cross-track): 0.37
    Collision Risk Index (CRI) 0.42
    X Position (km) 5179.893 5179.419
    Position Y (km) -298.171 -296.686
    Position Z (km) 4481.485 4480.998
    Velocity X (km/s) 1.7 -0.855
    Velocity Y (km/s) 7.287 7.434
    Velocity Z (km/s) -1.477 1.478

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4643 STARLINK-34100
    Semimajor Axis (a) 6861.116 km 6861.217 km
    Eccentricity (e) 0.000097 0.000124
    Inclination (i) 43.0006° 43.0029°
    RAAN 260.6832° 306.2186°
    Perigee Argument 261.3189° 274.7931°
    Mean Anomaly (M) 68.5775° 84.7775°
    Apogee 483.644 km 483.932 km
    Perigee 482.314 km 482.228 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T08:00:04+0000

    STARLINK-4643 & STARLINK-34100 Collision Probability (Pc) Trend

    STARLINK-4643 & STARLINK-34100 Collision Probability (Pc) TrendNot Available

    STARLINK-4643 & STARLINK-34100 Miss Distance (Miss Distance) Trend

    STARLINK-4643 & STARLINK-34100 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34100Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34100Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4643

    No nearby objects data