Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.134967E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:30:36+0800
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    1 Object 1

    AOE ID 52608
    NORAD ID 52608
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54164
    NORAD ID 54164
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3979 STARLINK-5278
    Time of Closest Approach 2026-10-22T16:10:51+0000
    Collision Probability (Pc) 4.134967E-6
    Conjunction Distance (km) 1.519 km
    Relative Speed (km/s) 7.673 km/s
    Conjunction Risk Parameters R (Radial): 0.318 | I (In-track): 1.282 | C (Cross-track): -0.751
    Collision Risk Index (CRI) 0.47
    X Position (km) 379.181 380.679
    Position Y (km) -4735.273 -4735.371
    Position Z (km) -4929.667 -4929.898
    Velocity X (km/s) 6.79 6.348
    Velocity Y (km/s) -2.226 3.28
    Velocity Z (km/s) 2.662 -2.662

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3979 STARLINK-5278
    Semimajor Axis (a) 6840.892 km 6840.450 km
    Eccentricity (e) 0.000085 0.000143
    Inclination (i) 53.1599° 53.1630°
    RAAN 336.2622° 49.8239°
    Perigee Argument 80.8735° 57.2573°
    Mean Anomaly (M) 279.2364° 302.8567°
    Apogee 463.339 km 463.295 km
    Perigee 462.171 km 461.331 km
    Orbit Epoch 2026-10-20T09:44:43+0000 2026-10-21T07:51:29+0000

    STARLINK-3979 & STARLINK-5278 Collision Probability (Pc) Trend

    STARLINK-3979 & STARLINK-5278 Collision Probability (Pc) TrendNot Available

    STARLINK-3979 & STARLINK-5278 Miss Distance (Miss Distance) Trend

    STARLINK-3979 & STARLINK-5278 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3979Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5278Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3979Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5278Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3979

    No nearby objects data