Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.779989E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T17:10:02+0800
    View CDM
    Download CDM 1.0

    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 2026-10-31T07:43:26+0000
    Collision Probability (Pc) 8.779989E-6
    Conjunction Distance (km) 1.06 km
    Relative Speed (km/s) 3.905 km/s
    Conjunction Risk Parameters R (Radial): -0.641 | I (In-track): 0.816 | C (Cross-track): -0.214
    Collision Risk Index (CRI) 0.54
    X Position (km) -5188.956 -5188.513
    Position Y (km) 248.061 247.196
    Position Z (km) -4486.914 -4486.493
    Velocity X (km/s) -1.625 0.924
    Velocity Y (km/s) -7.294 -7.416
    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