Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.430112E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:16:38+0800
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    1 Object 1

    AOE ID 52309
    NORAD ID 52309
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63940
    NORAD ID 63940
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3756 STARLINK-34021
    Time of Closest Approach 2026-10-21T16:09:55+0000
    Collision Probability (Pc) 2.430112E-6
    Conjunction Distance (km) 1.86 km
    Relative Speed (km/s) 8.466 km/s
    Conjunction Risk Parameters R (Radial): 1.843 | I (In-track): 0.211 | C (Cross-track): 0.138
    Collision Risk Index (CRI) 0.43
    X Position (km) 3624.663 3625.583
    Position Y (km) 2113.005 2113.811
    Position Z (km) -5420.463 -5421.863
    Velocity X (km/s) -4.796 2.171
    Velocity Y (km/s) 5.847 6.196
    Velocity Z (km/s) -0.928 3.867

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3756 STARLINK-34021
    Semimajor Axis (a) 6848.867 km 6852.654 km
    Eccentricity (e) 0.000127 0.000407
    Inclination (i) 53.1591° 69.9993°
    RAAN 147.0075° 64.5176°
    Perigee Argument 81.7066° 272.9234°
    Mean Anomaly (M) 278.4079° 87.1475°
    Apogee 471.598 km 477.309 km
    Perigee 469.862 km 471.725 km
    Orbit Epoch 2026-10-19T00:23:22+0000 2026-10-19T07:56:46+0000

    STARLINK-3756 & STARLINK-34021 Collision Probability (Pc) Trend

    STARLINK-3756 & STARLINK-34021 Collision Probability (Pc) TrendNot Available

    STARLINK-3756 & STARLINK-34021 Miss Distance (Miss Distance) Trend

    STARLINK-3756 & STARLINK-34021 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3756Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34021Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3756Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34021Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3756

    No nearby objects data