Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.805879E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:57:17+0800
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    1 Object 1

    AOE ID 52548
    NORAD ID 52548
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68907
    NORAD ID 68907
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3931 STARLINK-37551
    Time of Closest Approach 2026-10-21T07:55:18+0000
    Collision Probability (Pc) 1.805879E-6
    Conjunction Distance (km) 2.07 km
    Relative Speed (km/s) 8.097 km/s
    Conjunction Risk Parameters R (Radial): 2.041 | I (In-track): 0.293 | C (Cross-track): 0.185
    Collision Risk Index (CRI) 0.4
    X Position (km) -3557.167 -3558.471
    Position Y (km) 3598.088 3599.222
    Position Z (km) -4615.718 -4616.856
    Velocity X (km/s) -6.51 -2.626
    Velocity Y (km/s) -2.219 4.517
    Velocity Z (km/s) 3.291 5.55

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3931 STARLINK-37551
    Semimajor Axis (a) 6843.372 km 6843.662 km
    Eccentricity (e) 0.000143 0.000151
    Inclination (i) 53.1580° 97.2853°
    RAAN 183.5629° 126.6934°
    Perigee Argument 88.1517° 80.7220°
    Mean Anomaly (M) 271.9649° 279.4193°
    Apogee 466.213 km 466.558 km
    Perigee 464.257 km 464.492 km
    Orbit Epoch 2026-10-20T02:27:11+0000 2026-10-20T00:47:10+0000

    STARLINK-3931 & STARLINK-37551 Collision Probability (Pc) Trend

    STARLINK-3931 & STARLINK-37551 Collision Probability (Pc) TrendNot Available

    STARLINK-3931 & STARLINK-37551 Miss Distance (Miss Distance) Trend

    STARLINK-3931 & STARLINK-37551 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3931Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3931Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3931

    No nearby objects data