Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.233486E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T16:30:54+0800
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    1 Object 1

    AOE ID 52609
    NORAD ID 52609
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66198
    NORAD ID 66198
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3997 STARLINK-35518
    Time of Closest Approach 2026-10-23T12:11:21+0000
    Collision Probability (Pc) 2.233486E-6
    Conjunction Distance (km) 1.753 km
    Relative Speed (km/s) 5.73 km/s
    Conjunction Risk Parameters R (Radial): -1.535 | I (In-track): -0.784 | C (Cross-track): 0.317
    Collision Risk Index (CRI) 0.42
    X Position (km) -4076.638 -4077.222
    Position Y (km) -1735.188 -1736.356
    Position Z (km) -5217.25 -5218.419
    Velocity X (km/s) 4.776 0.761
    Velocity Y (km/s) -5.646 -7.356
    Velocity Z (km/s) -1.858 1.854

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3997 STARLINK-35518
    Semimajor Axis (a) 6839.054 km 6840.735 km
    Eccentricity (e) 0.000391 0.000140
    Inclination (i) 53.1597° 53.1530°
    RAAN 323.7208° 270.5034°
    Perigee Argument 134.9362° 106.6381°
    Mean Anomaly (M) 225.1959° 253.4776°
    Apogee 463.594 km 463.556 km
    Perigee 458.240 km 461.640 km
    Orbit Epoch 2026-10-22T22:35:40+0000 2026-10-22T08:21:59+0000

    STARLINK-3997 & STARLINK-35518 Collision Probability (Pc) Trend

    STARLINK-3997 & STARLINK-35518 Collision Probability (Pc) TrendNot Available

    STARLINK-3997 & STARLINK-35518 Miss Distance (Miss Distance) Trend

    STARLINK-3997 & STARLINK-35518 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3997Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3997Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3997

    No nearby objects data