Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.450727E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T05:36:21+0800
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    1 Object 1

    AOE ID 51998
    NORAD ID 51998
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52697
    NORAD ID 52697
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3618 STARLINK-4018
    Time of Closest Approach 2026-10-15T21:56:32+0000
    Collision Probability (Pc) 1.450727E-6
    Conjunction Distance (km) 2.553 km
    Relative Speed (km/s) 11.398 km/s
    Conjunction Risk Parameters R (Radial): -2.549 | I (In-track): 0.09 | C (Cross-track): -0.092
    Collision Risk Index (CRI) 0.38
    X Position (km) 2106.135 2105.231
    Position Y (km) 5798.053 5795.94
    Position Z (km) -2965.196 -2964.087
    Velocity X (km/s) -3.929 -5.613
    Velocity Y (km/s) 4.05 -0.584
    Velocity Z (km/s) 5.137 -5.138

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3618 STARLINK-4018
    Semimajor Axis (a) 6840.839 km 6837.895 km
    Eccentricity (e) 0.000035 0.000128
    Inclination (i) 53.1591° 53.1574°
    RAAN 94.4831° 230.6168°
    Perigee Argument 61.9845° 93.8638°
    Mean Anomaly (M) 298.1193° 266.2512°
    Apogee 462.944 km 460.636 km
    Perigee 462.460 km 458.880 km
    Orbit Epoch 2026-10-15T04:53:21+0000 2026-10-15T13:12:32+0000

    STARLINK-3618 & STARLINK-4018 Collision Probability (Pc) Trend

    STARLINK-3618 & STARLINK-4018 Collision Probability (Pc) TrendNot Available

    STARLINK-3618 & STARLINK-4018 Miss Distance (Miss Distance) Trend

    STARLINK-3618 & STARLINK-4018 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3618Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4018Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3618Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4018Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3618

    No nearby objects data