Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.815196E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:16:48+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 69187
    NORAD ID 69187
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4147 STARLINK-37209
    Time of Closest Approach 2026-10-30T20:49:00+0000
    Collision Probability (Pc) 2.815196E-6
    Conjunction Distance (km) 1.719 km
    Relative Speed (km/s) 7.563 km/s
    Conjunction Risk Parameters R (Radial): 0.691 | I (In-track): -1.363 | C (Cross-track): 0.786
    Collision Risk Index (CRI) 0.44
    X Position (km) -4352.09 -4351.918
    Position Y (km) 1849.249 1850.886
    Position Z (km) -4950.369 -4950.865
    Velocity X (km/s) -5.106 -0.076
    Velocity Y (km/s) -5.025 -7.163
    Velocity Z (km/s) 2.613 -2.613

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4147 STARLINK-37209
    Semimajor Axis (a) 6840.918 km 6840.817 km
    Eccentricity (e) 0.000124 0.000131
    Inclination (i) 53.1588° 53.1576°
    RAAN 219.3713° 297.8738°
    Perigee Argument 96.6515° 90.6274°
    Mean Anomaly (M) 174.7019° 348.0720°
    Apogee 463.628 km 463.579 km
    Perigee 461.934 km 461.781 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T04:00:02+0000

    STARLINK-4147 & STARLINK-37209 Collision Probability (Pc) Trend

    STARLINK-4147 & STARLINK-37209 Collision Probability (Pc) TrendNot Available

    STARLINK-4147 & STARLINK-37209 Miss Distance (Miss Distance) Trend

    STARLINK-4147 & STARLINK-37209 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4147Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37209Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4147Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37209Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4147

    No nearby objects data