Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.281791E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:45:24+0800
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    1 Object 1

    AOE ID 53595
    NORAD ID 53595
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68668
    NORAD ID 68668
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4684 STARLINK-37221
    Time of Closest Approach 2026-10-21T10:06:30+0000
    Collision Probability (Pc) 1.281791E-6
    Conjunction Distance (km) 2.977 km
    Relative Speed (km/s) 13.479 km/s
    Conjunction Risk Parameters R (Radial): -2.943 | I (In-track): -0.209 | C (Cross-track): -0.384
    Collision Risk Index (CRI) 0.37
    X Position (km) -4432.016 -4429.864
    Position Y (km) 587.929 587.99
    Position Z (km) -5195.493 -5193.439
    Velocity X (km/s) 1.328 -5.419
    Velocity Y (km/s) -7.245 2.214
    Velocity Z (km/s) -1.954 4.878

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4684 STARLINK-37221
    Semimajor Axis (a) 6848.884 km 6843.650 km
    Eccentricity (e) 0.000114 0.000313
    Inclination (i) 53.1595° 97.2868°
    RAAN 302.9912° 161.5795°
    Perigee Argument 89.6560° 85.5753°
    Mean Anomaly (M) 270.4572° 274.5847°
    Apogee 471.530 km 467.655 km
    Perigee 469.964 km 463.371 km
    Orbit Epoch 2026-10-19T00:38:22+0000 2026-10-19T01:56:55+0000

    STARLINK-4684 & STARLINK-37221 Collision Probability (Pc) Trend

    STARLINK-4684 & STARLINK-37221 Collision Probability (Pc) TrendNot Available

    STARLINK-4684 & STARLINK-37221 Miss Distance (Miss Distance) Trend

    STARLINK-4684 & STARLINK-37221 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4684Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4684Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4684

    No nearby objects data