Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.468668E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:44:33+0800
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    1 Object 1

    AOE ID 52452
    NORAD ID 52452
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68969
    NORAD ID 68969
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3909 STARLINK-36303
    Time of Closest Approach 2026-10-21T17:11:35+0000
    Collision Probability (Pc) 1.468668E-6
    Conjunction Distance (km) 2.589 km
    Relative Speed (km/s) 12.117 km/s
    Conjunction Risk Parameters R (Radial): 2.57 | I (In-track): 0.188 | C (Cross-track): -0.255
    Collision Risk Index (CRI) 0.38
    X Position (km) -3089.217 -3090.659
    Position Y (km) 5985.855 5987.957
    Position Z (km) -1189.212 -1189.665
    Velocity X (km/s) -4.61 -3.649
    Velocity Y (km/s) -1.201 -3.061
    Velocity Z (km/s) 5.968 -5.966

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3909 STARLINK-36303
    Semimajor Axis (a) 6837.872 km 6840.867 km
    Eccentricity (e) 0.000118 0.000141
    Inclination (i) 53.1596° 53.1588°
    RAAN 133.7336° 297.4717°
    Perigee Argument 86.4874° 94.4730°
    Mean Anomaly (M) 273.6264° 265.6434°
    Apogee 460.542 km 463.693 km
    Perigee 458.928 km 461.767 km
    Orbit Epoch 2026-10-19T19:56:35+0000 2026-10-20T01:16:40+0000

    STARLINK-3909 & STARLINK-36303 Collision Probability (Pc) Trend

    STARLINK-3909 & STARLINK-36303 Collision Probability (Pc) TrendNot Available

    STARLINK-3909 & STARLINK-36303 Miss Distance (Miss Distance) Trend

    STARLINK-3909 & STARLINK-36303 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3909Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36303Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3909Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36303Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3909

    No nearby objects data