Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.014867E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:30:36+0800
    View CDM
    Download CDM 1.0

    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 2026-10-22T11:29:28+0000
    Collision Probability (Pc) 1.014867E-6
    Conjunction Distance (km) 2.781 km
    Relative Speed (km/s) 7.673 km/s
    Conjunction Risk Parameters R (Radial): 0.277 | I (In-track): -2.391 | C (Cross-track): 1.392
    Collision Risk Index (CRI) 0.35
    X Position (km) 456.842 454.106
    Position Y (km) -4729.303 -4729.76
    Position Z (km) -4928.807 -4929.007
    Velocity X (km/s) 6.825 6.295
    Velocity Y (km/s) -2.115 3.379
    Velocity Z (km/s) 2.664 -2.664

    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