Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.902874E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:15:16+0800
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    1 Object 1

    AOE ID 53149
    NORAD ID 53149
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66642
    NORAD ID 66642
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4021 STARLINK-35926
    Time of Closest Approach 2026-10-21T11:09:27+0000
    Collision Probability (Pc) 6.902874E-6
    Conjunction Distance (km) 1.162 km
    Relative Speed (km/s) 4.37 km/s
    Conjunction Risk Parameters R (Radial): -0.425 | I (In-track): 1.037 | C (Cross-track): -0.307
    Collision Risk Index (CRI) 0.52
    X Position (km) 730.905 731.924
    Position Y (km) -4214.89 -4214.442
    Position Z (km) 5328.54 5328.209
    Velocity X (km/s) 6.92 7.504
    Velocity Y (km/s) 2.932 -0.428
    Velocity Z (km/s) 1.366 -1.366

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4021 STARLINK-35926
    Semimajor Axis (a) 6840.880 km 6840.811 km
    Eccentricity (e) 0.000127 0.000101
    Inclination (i) 53.1580° 53.1575°
    RAAN 216.9384° 179.9648°
    Perigee Argument 99.6398° 83.9294°
    Mean Anomaly (M) 260.4748° 276.1824°
    Apogee 463.612 km 463.366 km
    Perigee 461.874 km 461.982 km
    Orbit Epoch 2026-10-20T03:33:29+0000 2026-10-19T02:26:15+0000

    STARLINK-4021 & STARLINK-35926 Collision Probability (Pc) Trend

    STARLINK-4021 & STARLINK-35926 Collision Probability (Pc) TrendNot Available

    STARLINK-4021 & STARLINK-35926 Miss Distance (Miss Distance) Trend

    STARLINK-4021 & STARLINK-35926 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4021Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35926Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4021Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35926Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4021

    No nearby objects data