Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.043043E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:41:56+0800
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    1 Object 1

    AOE ID 53400
    NORAD ID 53400
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64770
    NORAD ID 64770
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4520 STARLINK-34618
    Time of Closest Approach 2026-10-23T02:14:18+0000
    Collision Probability (Pc) 1.043043E-6
    Conjunction Distance (km) 2.889 km
    Relative Speed (km/s) 8.795 km/s
    Conjunction Risk Parameters R (Radial): -2.277 | I (In-track): -1.451 | C (Cross-track): 1.027
    Collision Risk Index (CRI) 0.35
    X Position (km) 2876.669 2879.086
    Position Y (km) -4101.156 -4101.504
    Position Z (km) 4644.72 4646.265
    Velocity X (km/s) 6.835 3.394
    Velocity Y (km/s) 1.137 6.04
    Velocity Z (km/s) -3.22 3.219

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4520 STARLINK-34618
    Semimajor Axis (a) 6837.862 km 6840.832 km
    Eccentricity (e) 0.000124 0.000166
    Inclination (i) 53.1585° 53.1562°
    RAAN 178.9457° 273.8660°
    Perigee Argument 91.0330° 82.1486°
    Mean Anomaly (M) 269.0815° 277.9706°
    Apogee 460.574 km 463.834 km
    Perigee 458.876 km 461.556 km
    Orbit Epoch 2026-10-20T23:43:09+0000 2026-10-20T08:20:00+0000

    STARLINK-4520 & STARLINK-34618 Collision Probability (Pc) Trend

    STARLINK-4520 & STARLINK-34618 Collision Probability (Pc) TrendNot Available

    STARLINK-4520 & STARLINK-34618 Miss Distance (Miss Distance) Trend

    STARLINK-4520 & STARLINK-34618 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34618Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34618Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4520

    No nearby objects data