Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.039571E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:09:38+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69512
    NORAD ID 69512
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4121 STARLINK-37511
    Time of Closest Approach 2026-10-22T01:26:52+0000
    Collision Probability (Pc) 1.039571E-6
    Conjunction Distance (km) 2.431 km
    Relative Speed (km/s) 5.538 km/s
    Conjunction Risk Parameters R (Radial): 2.431 | I (In-track): -0.013 | C (Cross-track): 0.008
    Collision Risk Index (CRI) 0.35
    X Position (km) -4149.276 -4150.756
    Position Y (km) -1451.887 -1452.388
    Position Z (km) 5227.833 5229.694
    Velocity X (km/s) 4.355 0.349
    Velocity Y (km/s) -6.021 -7.421
    Velocity Z (km/s) 1.779 -1.779

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 STARLINK-37511
    Semimajor Axis (a) 6837.876 km 6840.840 km
    Eccentricity (e) 0.000119 0.000172
    Inclination (i) 53.1584° 53.1579°
    RAAN 145.7180° 90.0728°
    Perigee Argument 92.3012° 81.1696°
    Mean Anomaly (M) 267.8127° 278.9501°
    Apogee 460.556 km 463.880 km
    Perigee 458.922 km 461.526 km
    Orbit Epoch 2026-10-20T00:42:07+0000 2026-10-20T09:54:13+0000

    STARLINK-4121 & STARLINK-37511 Collision Probability (Pc) Trend

    STARLINK-4121 & STARLINK-37511 Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & STARLINK-37511 Miss Distance (Miss Distance) Trend

    STARLINK-4121 & STARLINK-37511 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37511Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37511Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data