Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.382109E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:20:49+0800
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    1 Object 1

    AOE ID 52630
    NORAD ID 52630
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69694
    NORAD ID 69694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3989 STARLINK-37953
    Time of Closest Approach 2026-10-21T04:36:09+0000
    Collision Probability (Pc) 1.382109E-6
    Conjunction Distance (km) 2.92 km
    Relative Speed (km/s) 14.755 km/s
    Conjunction Risk Parameters R (Radial): -2.919 | I (In-track): -0.015 | C (Cross-track): 0.039
    Collision Risk Index (CRI) 0.38
    X Position (km) 5309.86 5307.571
    Position Y (km) -4271.813 -4270.023
    Position Z (km) 681.009 680.73
    Velocity X (km/s) 2.403 -0.015
    Velocity Y (km/s) 3.967 -1.236
    Velocity Z (km/s) 6.062 -7.532

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3989 STARLINK-37953
    Semimajor Axis (a) 6848.887 km 6843.666 km
    Eccentricity (e) 0.000123 0.000227
    Inclination (i) 53.1609° 97.2865°
    RAAN 326.6162° 138.3603°
    Perigee Argument 79.4356° 86.1915°
    Mean Anomaly (M) 280.6784° 273.9587°
    Apogee 471.594 km 467.082 km
    Perigee 469.906 km 463.976 km
    Orbit Epoch 2026-10-19T02:27:33+0000 2026-10-19T01:43:53+0000

    STARLINK-3989 & STARLINK-37953 Collision Probability (Pc) Trend

    STARLINK-3989 & STARLINK-37953 Collision Probability (Pc) TrendNot Available

    STARLINK-3989 & STARLINK-37953 Miss Distance (Miss Distance) Trend

    STARLINK-3989 & STARLINK-37953 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3989Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37953Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3989Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37953Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3989

    No nearby objects data