Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.505779E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:29:28+0800
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    1 Object 1

    AOE ID 52645
    NORAD ID 52645
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62678
    NORAD ID 62678
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3973 FLOCK 4G 15
    Time of Closest Approach 2026-10-20T03:31:32+0000
    Collision Probability (Pc) 1.505779E-6
    Conjunction Distance (km) 2.321 km
    Relative Speed (km/s) 9.032 km/s
    Conjunction Risk Parameters R (Radial): 1.255 | I (In-track): -1.568 | C (Cross-track): -1.161
    Collision Risk Index (CRI) 0.39
    X Position (km) -4635.827 -4633.601
    Position Y (km) -532.229 -532.823
    Position Z (km) -5020.749 -5021.028
    Velocity X (km/s) 3.388 5.281
    Velocity Y (km/s) -6.369 2.058
    Velocity Z (km/s) -2.455 -5.096

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3973 FLOCK 4G 15
    Semimajor Axis (a) 6848.879 km 6848.742 km
    Eccentricity (e) 0.000134 0.000367
    Inclination (i) 53.1598° 97.3936°
    RAAN 316.0239° 13.6418°
    Perigee Argument 91.2621° 218.1720°
    Mean Anomaly (M) 268.8534° 141.9263°
    Apogee 471.660 km 473.116 km
    Perigee 469.824 km 468.094 km
    Orbit Epoch 2026-10-19T10:47:43+0000 2026-10-19T04:35:08+0000

    STARLINK-3973 & FLOCK 4G 15 Collision Probability (Pc) Trend

    STARLINK-3973 & FLOCK 4G 15 Collision Probability (Pc) TrendNot Available

    STARLINK-3973 & FLOCK 4G 15 Miss Distance (Miss Distance) Trend

    STARLINK-3973 & FLOCK 4G 15 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3973Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3973Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3973

    No nearby objects data