Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.106158E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T02:28:52+0800
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    1 Object 1

    AOE ID 53256
    NORAD ID 53256
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61726
    NORAD ID 61726
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4147 STARLINK-32478
    Time of Closest Approach 2026-10-30T15:01:43+0000
    Collision Probability (Pc) 3.106158E-5
    Conjunction Distance (km) 0.9 km
    Relative Speed (km/s) 10.767 km/s
    Conjunction Risk Parameters R (Radial): 0.012 | I (In-track): 0.635 | C (Cross-track): 0.638
    Collision Risk Index (CRI) 0.65
    X Position (km) -3049.349 -3050.109
    Position Y (km) -4905.996 -4905.515
    Position Z (km) 3655.536 3655.525
    Velocity X (km/s) 6.127 3.08
    Velocity Y (km/s) -0.411 -5.312
    Velocity Z (km/s) 4.545 -4.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4147 STARLINK-32478
    Semimajor Axis (a) 6840.869 km 6840.743 km
    Eccentricity (e) 0.000164 0.000092
    Inclination (i) 53.1590° 53.1579°
    RAAN 225.6863° 99.9735°
    Perigee Argument 71.2287° 66.8294°
    Mean Anomaly (M) 288.8893° 293.2806°
    Apogee 463.852 km 463.239 km
    Perigee 461.612 km 461.973 km
    Orbit Epoch 2026-10-27T05:33:27+0000 2026-10-27T17:39:08+0000

    STARLINK-4147 & STARLINK-32478 Collision Probability (Pc) Trend

    STARLINK-4147 & STARLINK-32478 Collision Probability (Pc) TrendNot Available

    STARLINK-4147 & STARLINK-32478 Miss Distance (Miss Distance) Trend

    STARLINK-4147 & STARLINK-32478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4147Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4147Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4147

    No nearby objects data