Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.444109E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:08:35+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63494
    NORAD ID 63494
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3649 STARLINK-33819
    Time of Closest Approach 2026-10-20T17:51:51+0000
    Collision Probability (Pc) 1.444109E-6
    Conjunction Distance (km) 2.235 km
    Relative Speed (km/s) 7.401 km/s
    Conjunction Risk Parameters R (Radial): 0.778 | I (In-track): -1.831 | C (Cross-track): -1.016
    Collision Risk Index (CRI) 0.38
    X Position (km) 3527.325 3525.542
    Position Y (km) 3099.511 3100.732
    Position Z (km) -4982.161 -4981.594
    Velocity X (km/s) -2.38 -6.425
    Velocity Y (km/s) 6.785 3.231
    Velocity Z (km/s) 2.538 -2.538

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 STARLINK-33819
    Semimajor Axis (a) 6840.992 km 6840.795 km
    Eccentricity (e) 0.000098 0.000090
    Inclination (i) 53.1607° 53.1574°
    RAAN 100.0390° 176.4488°
    Perigee Argument 105.1490° 117.6904°
    Mean Anomaly (M) 254.9620° 242.4190°
    Apogee 463.525 km 463.277 km
    Perigee 462.185 km 462.039 km
    Orbit Epoch 2026-10-19T10:52:58+0000 2026-10-19T01:43:11+0000

    STARLINK-3649 & STARLINK-33819 Collision Probability (Pc) Trend

    STARLINK-3649 & STARLINK-33819 Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & STARLINK-33819 Miss Distance (Miss Distance) Trend

    STARLINK-3649 & STARLINK-33819 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33819Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33819Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data