Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.283443E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T05:38:03+0800
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    1 Object 1

    AOE ID 51964
    NORAD ID 51964
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56353
    NORAD ID 56353
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3690 STARLINK-5874
    Time of Closest Approach 2026-10-21T23:14:51+0000
    Collision Probability (Pc) 1.283443E-6
    Conjunction Distance (km) 2.947 km
    Relative Speed (km/s) 13.226 km/s
    Conjunction Risk Parameters R (Radial): -2.925 | I (In-track): -0.165 | C (Cross-track): -0.309
    Collision Risk Index (CRI) 0.37
    X Position (km) 1994.71 1993.546
    Position Y (km) -3859.96 -3858.266
    Position Z (km) -5301.663 -5299.552
    Velocity X (km/s) 5.53 1.296
    Velocity Y (km/s) 5.003 -5.828
    Velocity Z (km/s) -1.563 4.734

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3690 STARLINK-5874
    Semimajor Axis (a) 6848.866 km 6843.718 km
    Eccentricity (e) 0.000145 0.000193
    Inclination (i) 53.1622° 97.2825°
    RAAN 54.1112° 287.7777°
    Perigee Argument 78.0930° 90.8655°
    Mean Anomaly (M) 282.0235° 269.2809°
    Apogee 471.724 km 466.904 km
    Perigee 469.734 km 464.258 km
    Orbit Epoch 2026-10-21T08:02:39+0000 2026-10-21T09:22:32+0000

    STARLINK-3690 & STARLINK-5874 Collision Probability (Pc) Trend

    STARLINK-3690 & STARLINK-5874 Collision Probability (Pc) TrendNot Available

    STARLINK-3690 & STARLINK-5874 Miss Distance (Miss Distance) Trend

    STARLINK-3690 & STARLINK-5874 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3690Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5874Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3690Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5874Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3690

    No nearby objects data